- Ralph Macchio
- Daniel LaRusso
- Pat Morita
- Mr. Kesuke Miyagi
- Elisabeth Shue
- Ali Mills
- Randee Heller
- Lucille Larusso
- Martin Kove
- John Kreese
- William Zabka
- Johnny Lawrence
- Chad McQueen
- Dutch
- Tony O'Dell
- Jimmy
- Ron Thomas
- Bobby
- Rob Garrison
- Tommy
- Israel Juarbe
- Freddy Fernandez
- William Bassett
- Mr. Mills
- Larry B. Scott
- Jerry
- Juli Fields
- Susan
- Dana Andersen
- Barbara
- Frank Burt Avalon
- Chucky
- Jeff Fishman
- Billy
- Ken Daly
- Chris
- Tom Fridley
- Alan
- Pat E. Johnson
- Referee
- Bruce Malmuth
- Ring announcer
- Darryl Vidal
- Karate semi-finalist
- Frances Bay
- Lady with dog
- Christopher Kriesa
- Official
- Bernie Kuby
- Mr. Harris
- Joan Lemmo
- Restaurant manager
- Helen Siff
- Cashier
- Larry Drake
- Yahoo 1
- David Abbott
- Yahoo 2
- Molly Basler
- Cheerleading coach
- Brian Davis
- Boy in bathroom
- David De Lange
- Waiter
- Erik Felix
- Karate student
- Peter Jason
- Soccer Coach
- Todd Lookinland
- Chicken Boy
- Clarence McGee Jr.
- Referee 2
- William Norren
- Doctor
- Sam Scarber
- Referee 3
- Scott Strader
- Eddie
- John G. Avildsen
- Director, Film Editing
- R.J. Louis
- Executive Producer
- Jerry Weintraub
- Producer
- Bill Conti
- Original Music
- James Crabe
- Cinematographer
- Walt Mulconery
- Film Editing
- Pennie DuPont
- Casting
- Bonnie Timmermann
- Casting
- William J. Cassidy
- Production Design
- John Anderson
- Set Decoration
- Richard Bruno
- Costume Design
- Aida Swenson
- Costume Design
- Robert Mark Kamen
- Screenwriter
