Cast of The DUFF

Mae Whitman portrays Bianca Piper, a high school student who discovers she's labeled as the 'DUFF' (Designated Ugly Fat Friend) among her friends.

Robbie Amell plays Wesley Rush, a popular jock who helps Bianca in her quest to redefine her social image.

Bella Thorne takes on the role of Madison Morgan, the mean girl who creates drama for Bianca in the school social scene.

Skyler Samuels portrays Jess Harris, one of Bianca's best friends who supports her through the challenges she faces.

Bianca A. Santos plays Casey Cordero, another of Bianca's close friends who stands by her side during her journey of self-discovery.

Romany Malco portrays Principal Buchanon, the school principal who plays a role in the campus dynamics and interactions between students.

Ken Jeong plays Mr. Arthur, one of the teachers at the school who interacts with the students, including Bianca.

Chris Wylde takes on the role of Mr. Fillmore, another teacher at the school who is part of the school environment where the characters navigate through their challenges.

Allison Janney portrays Dottie Piper, Bianca's mother who has her own quirks but provides support and guidance to her daughter.

Seth Meriwether plays A.J., a student at the school who interacts with Bianca and contributes to her story.

Rebecca Weil portrays Caitlyn, a friend of Bianca who shares moments with her in the school environment.

Brian Dewar McNamara plays Matt, a character who is part of the school setting and interacts with Bianca and the other students.