A Complete 'ER' Cast List

Reference
Updated March 30, 2024 127.6K views 152 items

The groundbreaking medical series ER premiered in 1994 and quickly captured the attention of fans with its plotlines and cast. This series spanned 15 seasons and became an essential part of television history. The show's portrayal of emergency room situations gave audiences insights into the lives of doctors and nurses working to save lives. The characters brought to life by the ER cast contributed significantly to making this TV show an unforgettable experience.

The actors on the ER Cast List cast list made each role memorable as they navigated through love, loss, laughter, and heartache in their chaotic workplace at County General Hospital. Featuring performances from heavyweights like Noah Wyle, George Clooney, and Anthony Edwards - who portrayed Dr. John Carter, Dr. Doug Ross, and Dr. Mark Greene respectively - it's no wonder ER continues to resonate with fans today. 

Much of ER's success can be credited to its cast members who filled this drama series with emotion, suspense, humor, and passion. Each character played a part in weaving together narratives that have since inspired medical dramas seeking to replicate such magic.

  • Abraham Benrubi
    ER, Robot Chicken, Happy Town

    Abraham Benrubi made his mark on ER portraying the loveable desk clerk Jerry Markovic. With a blend of humor and heart, Benrubi appeared in 137 episodes, becoming a familiar and comforting presence in the bustling emergency room.

  • In the whirlwind world of ER, Al Vicente, portrayed by the talented Demetrius Navarro, brought a dose of relatable charm as paramedic Morales. Across 48 episodes, Navarro's character became a familiar face, grounding the high-stakes drama with his everyday heroics.

  • Alex Kingston
    ER, Lost in Austen, Ben Hur

    Alex Kingston stormed into the halls of ER as the fierce Dr. Elizabeth Corday. With a blend of British resilience and heartfelt compassion, Kingston graced 160 episodes, leaving an indelible mark on the series through her character's compelling narrative and growth.

  • Angela Bassett
    American Horror Story, ER, Ryan's Hope

    Angela Bassett brought her unparalleled gravitas to ER as Dr. Cate Banfield, a tough-as-nails attending physician with a complex backstory. For 15 episodes in the final season, Bassett's performance added depth and intensity to the long-running medical drama.

  • Alan Alda
    M*A*S*H, The West Wing, The Big C

    Alan Alda, known for his charismatic characters, played Dr. Gabriel Lawrence on ER. In a memorable arc across 5 episodes, Alda's Lawrence was both brilliant and troubled, enriching the show's exploration of the personal costs of a career in medicine.

  • Anthony Edwards
    ER, Zero Hour, Zero Hour

    Anthony Edwards was the heart of ER as Dr. Mark Greene, embodying the emotional and ethical complexities of emergency medicine. Over 181 episodes, Edwards' portrayal of Greene's journey — from resident to attending physician — was a cornerstone of the show's enduring legacy.

  • Chase Masterson
    General Hospital, Star Trek: Of Gods and Men

    Chase Masterson guest-starred on ER in a compelling role as a singer named Kristin, who's dealing with a health scare. Appearing in just one episode, "Stuck on You," Masterson left a memorable impression during the show's fifth season.

  • Conni Marie Brazelton brought to life the character of Nurse Connie Oligario on ER, serving as a reassuring presence amidst the chaos. Over 126 episodes, Brazelton's performance as Oligario offered viewers a glimpse into the backbone of the emergency department's team.

  • Deezer D brightened ER with his portrayal of Nurse Malik McGrath. With his infectious energy and comedic timing, he became an essential part of the show's dynamic. Appearing in 190 episodes, Deezer D's Malik was a beloved fixture in the bustling ER.

  • Erik Palladino
    ER, 666 Park Avenue, Over There

    Erik Palladino made his mark on ER as Dr. Dave Malucci, the brash and impulsive resident whose heart was as big as his ego. Over 48 episodes, Palladino's portrayal added a layer of complexity and charm to the hospital's eclectic mix.

  • Alexa Vega
    Unsupervised, Ladies Man, Life's Work

    Before she was a spy kid, Alexa Vega popped up on ER as Sara, a young girl caught in the crossfires of life's challenges. Her guest stint spanned two episodes in 1995, showcasing early on her talent for handling emotionally charged roles.

  • Eriq La Salle
    ER, The Human Factor, Under Suspicion

    Eric La Salle was unforgettable as Dr. Peter Benton, a talented surgeon with a steely determination and a complex personal life. Over 173 episodes of ER, La Salle's performance brought depth, passion, and intensity to the emergency room's fast-paced world.

  • Allison Scagliotti
    Warehouse 13, Gemini Division, Joint Custody

    Allison Scagliotti gave life to Josie Weller, a character that appeared in a poignant ER episode titled "I Feel Good." In her singular appearance, Scagliotti's portrayal added depth to the ensemble, reflecting the show's commitment to showcasing diverse patient stories.

  • Frances Fisher
    CSI: Crime Scene Investigation, ER, Eureka

    Frances Fisher graced ER as Helen Kingsley in a powerful single-episode arc in 1997. Her portrayal of a mother entangled in a distressing medical dilemma added a rich layer of emotional depth to the show's canvas of patient stories.

  • Ally Walker
    Sons of Anarchy, Profiler, Sleeper Cell

    Ally Walker stepped into the often tumultuous world of ER as Fran Bevens, a character caught in an episode full of dramatic twists. Her appearance in "Masquerade," a memorable season four episode, showcased her ability to navigate emotionally charged scenes with ease.

  • George Clooney
    ER, The Facts of Life, Sisters

    George Clooney stole hearts as Dr. Doug Ross on ER, the pediatrician with a penchant for rule-breaking and a soft spot for kids. Clooney's charm and depth across 109 episodes helped cement the show's place in television history as a medical drama powerhouse.

  • Gloria Reuben
    ER, Missing, Raising the Bar

    Gloria Reuben portrayed Jeanie Boulet on ER, a character whose resilience and grace in facing life's challenges, including her HIV positive status, resonated deeply with audiences. Over 102 episodes, Reuben's performance added layers of complexity and humanity to the show.

  • Goran Višnjić
    ER, Red Widow, Extant

    Goran Višnjić brought a smoldering intensity to ER as Dr. Luka Kovač, the brooding Croatian doctor with a tragic past. Appearing in 185 episodes, Višnjić's portrayal of Kovač's journey through love, loss, and redemption captivated viewers, adding a compelling depth to the series.

  • Jared Padalecki
    Supernatural, ER, Gilmore Girls

    Long before he was hunting supernatural beings, Jared Padalecki appeared on ER as Paul Harris, a character involved in a harrowing car crash. His impactful portrayal in the 2004 episode "Impact" left audiences with a memorable impression of his early acting prowess.

  • Amy Aquino
    Being Human, The Finder, Picket Fences

    Amy Aquino lent her talents to ER as Dr. Janet Coburn, the no-nonsense, compassionate head of Obstetrics. Throughout 25 episodes, Aquino's portrayal of Dr. Coburn provided a steadying presence, guiding both her patients and colleagues through the complexities of life and medicine.

  • John Leguizamo
    ER, The Brothers García, The Kill Point

    John Leguizamo shook up ER as Dr. Victor Clemente, an unconventional attending physician with a flair for the dramatic and a chaotic personal life. Over 12 episodes, Leguizamo's energetic performance added a new, unpredictable dimension to the emergency room's dynamic mix.

  • Amy Jo Johnson
    Mighty Morphin Power Rangers, Felicity, Power Rangers

    Amy Jo Johnson, once a Power Ranger, brought her acting chops to ER as Jill, appearing in a poignant storyline that spanned two episodes in 1998. Her brief but memorable role added depth to the series' exploration of personal and medical crises.

  • John Stamos
    Full House, ER, General Hospital

    John Stamos joined ER as Tony Gates, a charismatic paramedic-turned-doctor with a knack for bending the rules. Over 65 episodes, Stamos infused the show with a new energy, bringing depth and charm to his character's complex relationships and professional challenges.

  • Jorja Fox

    Jorja Fox

    CSI: Crime Scene Investigation, ER, Missing Persons
    Jorja-An "Jorja" Fox (born July 7, 1968) is an American actress and producer. She first came to prominence with a recurring role in the NBC medical drama ER as Dr. Maggie Doyle from 1996 to 1999. This was followed by another critical success in the recurring role of Secret Service Agent Gina Toscano in the NBC political drama The West Wing in 2000. She played Sara Sidle in the CBS police procedural drama CSI: Crime Scene Investigation, both as a regular (2000–2007, 2010–2015) and recurring (2008–2010) cast member.
  • Julianna Margulies
    The Good Wife, ER, The Lost Room
    Born in Spring Valley, New York in 1966, Julianna Margulies was bitten by the acting bug early on, gravitating towards the stage and screen after her graduation from Sarah Lawrence College. Her innate talent and compelling screen presence were soon noticed when she landed a role in NBC's hit medical drama, ER, captivating audiences worldwide as Nurse Carol Hathaway. Margulies' portrayal of Carol Hathaway not only catapulted her to international stardom, but also earned her an Emmy Award for Outstanding Supporting Actress in a Drama Series, setting the stage for a successful acting career. Following ER, she switched gears to legal drama with CBS's The Good Wife, where her nuanced performance as Alicia Florrick won widespread critical acclaim and multiple awards, including two more Emmy Awards for Outstanding Lead Actress in a Drama Series. Beyond her notable television roles, Margulies has showcased her versatility across a range of film genres and theatrical productions. Her filmography includes prominent roles in movies like Evelyn, Ghost Ship, and Snakes on a Plane. Furthermore, her contribution to the arts extends beyond acting - she is also a skilled producer, having produced several episodes of The Good Wife. Margulies' enduring commitment to her craft, coupled with her ability to inhabit diverse characters, continues to shape her legacy in the entertainment industry.
  • Ana Ortiz
    Ugly Betty, Devious Maids, Over There
    Ana Ortiz (born January 25, 1971) is an American actress and singer. Having pursued a career in ballet and singing from a young age, she eventually attended University of the Arts. Ortiz began her acting career in theatre, in early 2000s starred in the short-lived NBC sitcoms Kristin (2001) and A.U.S.A. (2003), and had recurring roles on Over There and Boston Legal. Ortiz garnered widespread attention for her role as Hilda Suarez in the ABC comedy-drama series Ugly Betty from 2006 to 2010. She also appeared in such films like Labor Pains (2009) and Big Mommas: Like Father, Like Son (2011), and starred in Little Girl Lost: The Delimar Vera Story (2008). From 2013 to 2016, Ortiz starred as Marisol Suarez in the Lifetime television comedy-drama series Devious Maids, for which she received the Imagen Award for Best Actress - Television.
  • Kellie Martin
    ER, The Tracey Ullman Show, Mr. Belvedere
    Kellie Noelle Martin (born October 16, 1975) is an American actress. She is known for her roles as Rebecca "Becca" Thatcher in Life Goes On (1989–1993), Christy Huddleston in Christy (1994–1995), Lucy Knight on ER (1998–2000), Samantha Kinsey in Mystery Woman TV film series (2003–2007), and as Hailey Dean in the Hailey Dean Mystery TV film series (2016–present).
  • Andrea Parker
    Less than Perfect, The Pretender, The Pretender 2001
    Andrea N. Parker (born March 8, 1970) is an American film and television actress and former ballet dancer. She is known for her roles on ER, The Pretender, Less than Perfect, Desperate Housewives, and Pretty Little Liars.
  • Laura Innes
    ER, The Event, Another World
    Laura Elizabeth Innes (born August 16, 1957) is an American actress and television director. She starred as Dr. Kerry Weaver in the NBC medical drama ER from 1995 to 2007 and reprised her role from 2008 to 2009 in the final season and she starred as Sophia in the short-lived NBC thriller The Event from 2010 to 2011.
  • Andy Dick
    NewsRadio, Clone High, The Ben Stiller Show
    Andrew Roane Dick (born Andrew Thomlinson, December 21, 1965) is an American comedian, actor, musician, and television and film producer. Best known as a comic, he is also known for his eccentric behavior, drug addiction, and sexual misconduct allegations and arrests. His first regular television role was on the short-lived but influential Ben Stiller Show. In the mid-1990s, he had a long-running stint on NBC's NewsRadio and was a supporting character on Less than Perfect. He briefly had his own program, The Andy Dick Show on MTV. He is noted for his outlandish behavior from a number of Comedy Central Roasts and other appearances.