- Ralph Macchio
- Daniel LaRusso
- Pat Morita
- Mr. Kesuke Miyagi
- Martin Kove
- Kreese
- Nobu McCarthy
- Yukie
- Danny Kamekona
- Sato
- Yuji Okumoto
- Chozen
- Tamlyn Tomita
- Kumiko
- Pat E. Johnson
- Referee
- Bruce Malmuth
- Announcer
- Joey Miyashima
- Toshio
- Will Hunt
- Postman
- Evan Malmuth
- Cab driver
- Lee Arnone-Briggs
- Stewardess
- Sarah Kendall
- Stewardess 2
- Garth Johnson
- Autograph fan
- Brett Johnson
- Autograph fan
- Eddie Smith
- Bystander
- Raymond Ma
- Cab driver in Okinawa
- George O'Hanlon Jr.
- Soldier
- Charlie Tanimoto
- Miyagi's father
- Tsuruko Ohye
- Village woman
- Arsenio "Sonny" Trinidad
- Ichiro
- Marc Hayashi
- Taro
- Robert Fernandez
- Watchman
- Natalie N. Hashimoto
- Kumiko's street friend
- Diana Mar
- Girl in video store
- BD Wong
- Boy on Street
- Clarence Gilyard
- G.I. 1
- Michael Morgan
- G.I. 2
- Jack Eiseman
- G.I. 3
- Jeffrey Rogers
- G.I. 4
- Aaron Seville
- G.I. 5
- Wes Chong
- Sato's houseman
- William Zabka
- Johnny
- Chad McQueen
- Dutch
- Tony O'Dell
- Jimmy
- Ron Thomas
- Bobby
- Rob Garrison
- Tommy
- John G. Avildsen
- Director, Film Editor
- Robert Mark Kamen
- Writer
- Jerry Weintraub
- Producer
- R.J. Louis
- Executive Producer
- William J. Cassidy
- Associate Producer, Production Design
- Susan Ekins
- Associate Producer
- Karen Trudy Rosenfelt
- Associate Producer
- James Crabe
- Cinematographer
- Bill Conti
- Original Music
- Richard Wolf
- Original Song
- Max Freedman
- Non-Original Music
- David Garfield
- Film Editor
- Jane Kurson
- Film Editor
- Caro Jones
- Casting
- Bill Matthews
- Art Director
- Lee Poll
- Set Decoration
- Mary Malin
- Costume Design
- John Elliott
- Key Makeup Artist
- Stephen Elsbree
- Hair Stylist
- James R. Kail
- Makeup Artist
- Cheri Ruff
- Key Hair Stylist
- Howard Pine
- Production Manager
- Clifford C. Coleman
- Assistant Director
- Dennis Maguire
- Second Assistant Director
- Dan Malmuth
- Assistant Director
- Sam Gordon
- Property Master
- William James Teegarden
- Set Designer
