 | Ralph Macchio als Daniel LaRusso |
 | Pat Morita als Mr. Miyagi |
 | Danny Kamekona als Sato Toguchi |
 | Nobu McCarthy als Yukie |
 | Yuji Okumoto als Chozen Toguchi |
 | Tamlyn Tomita als Kumiko |
 | Martin Kove als John Kreese |
 | William Zabka als Johnny Lawrence |
 | Chad McQueen als Dutch |
 | Tony O'Dell als Jimmy |
 | Ron Thomas als Bobby Brown |
 | Rob Garrison als Tommy |
 | Pat E. Johnson als Referee |
 | Bruce Malmuth als Announcer |
 | Eddie Smith als Bystander |
| Garth Johnson als Autograph Fan |
| Brett Johnson als Autograph Fan |
| Will Hunt als Postman |
| Evan James Malmuth als Cab Driver |
| Lee Arnone als Stewardess |
 | Joey Miyashima als Toshio |
 | Raymond Ma als Cab Driver in Okinawa |
 | George O'Hanlon Jr. als Soldier |
| Charlie Tanimoto als Miyagi's Father |
| Tsuruko Ohye als Village Woman |
 | Arsenio "Sonny" Trinidad als Ichiro |
 | Marc Hayashi als Taro |
| Robert Fernandez als Watchman |
| Natalie N. Hashimoto als Kumiko's Street Friend |
| Diana Mar als Girl in Video Store |
 | BD Wong als Boy on Street |
 | Clarence Gilyard Jr. als G.I. #1 |
| Michael Morgan als G.I. #2 |
| Jack Eiseman als G.I. #3 |
 | Jeffrey Rogers als G.I. #4 |
| Aaron Seville als G.I. #5 |
| Wes Chong als Sato's Houseman |
 | Traci Toguchi als Girl Bell Ringer |
| Joey Banks als Okinawa Martial Arts Class Student (uncredited) |
| Antonia Franceschi als The Dancer on the Television Set (uncredited) |
 | Chris Tashima als The Rockabilly Club Dancer (uncredited) |
| Sarah Kendall als Stewardess #2 |
| Ron Pohnel als Military Student (uncredited) |
| Robert Mark Kamen | Writer |
| Jerry Weintraub | Producer |
| Bill M. Ryusaki | Stunts |
| Jane Kurson | Editor |
| Stephen A. Hope | Music Editor |
| James Teegarden | Set Designer |
| Bill Conti | Original Music Composer |
| Bob Cornett | Sound Editor |
| Cheri Ruff | Key Hair Stylist |
| Mary Malin | Costume Designer |
| Paul H. Haines Jr. | Special Effects |
| William Randall | Sound Mixer |
| James Crabe | Director of Photography |
| John G. Avildsen | Director |
| John G. Avildsen | Editor |
| Caro Jones | Casting |
| William J. Cassidy | Production Design |
| William J. Cassidy | Associate Producer |
| David Garfield | Editor |
| Stephen St. John | Steadicam Operator |
| Clifford C. Coleman | First Assistant Director |
| Susan Ekins | Associate Producer |
| Jay Kamen | ADR Editor |
| R.J. Louis | Executive Producer |
| Ross A. Maehl | Chief Lighting Technician |
| Nobuko Miyamoto | Choreographer |
| Doreen A. Dixon | Supervising ADR Editor |
| Pat E. Johnson | Martial Arts Choreographer |
| Paul De Rolf | Choreographer |
| Howard Pine | Unit Production Manager |
| Sam Gordon | Property Master |
| Louis Schwartzberg | Technical Advisor |
| Marshall Schlom | Script Supervisor |
| Peter Cetera | Theme Song Performance |
| Jose De Vega | Choreographer |
| Robert Knudson | Sound Re-Recording Mixer |
| Robert Glass | Sound Re-Recording Mixer |
| William F. Matthews | Art Direction |
| Joseph Holsen | Sound Editor |
| Penelope Shaw | Assistant Editor |
| Dennis DeYoung | Theme Song Performance |
| John M. Elliott Jr. | Key Makeup Artist |
| Alan Falco | Transportation Coordinator |
| Michael P. Redbourn | Sound Editor |
| Ralph Nelson Jr. | Still Photographer |
| Lori Lynn Ross | Stunts |
| Blake R. Cornett | Assistant Sound Editor |
| Don Digirolamo | Sound Re-Recording Mixer |
| Jim Kail | Makeup Artist |
| Brooks Arthur | Music Supervisor |
| Karen Kory | Assistant Editor |
| Hendrik Wynands | Construction Coordinator |
| Neil Burrow | Sound Editor |
| Jack Eskew | Orchestrator |
| Brad Edmiston | First Assistant Camera |
| Lee Poll | Set Decoration |
| Tino Caira | Transportation Captain |
| David Stafford | Boom Operator |
| Alan R. Disler | First Assistant Camera |
| Pete Corral | Location Manager |
| Roger Ito | Stunts |
| Jeannie Jeha | Production Coordinator |
| Danny Wynands | Construction Foreman |
| Dennis Dion | Special Effects Supervisor |
| Richard Friedman | ADR Editor |
| Tom C. McCarthy | Supervising Sound Editor |
| Diane Bandolas | Production Accountant |
| Mark Hite | Leadman |
| Gary Dion | Special Effects |
| Michael Van Dyke | Construction Foreman |
| Craig Denault | Camera Operator |
| Jim Bullock | Foley Editor |
| Reid Burns | Color Timer |
| Richard Leon | Props |
| Erik Felix | Stunts |
| Glen Cooper | Standby Painter |
| Mario Zavala | Second Assistant Camera |
| Dennis Maguire | Second Assistant Director |
| Karen Trudy Rosenfelt | Associate Producer |
| Steve Elsbree | Hairstylist |
| Linda Arvidson | Stunts |
| Martha Burns Holsen | Assistant Sound Editor |
| Randy Sabusawa | Choreographer |
| Peter Benoit | Unit Publicist |
| O.T. Henderson | Dolly Grip |
| Christine Larson | Second Second Assistant Director |
| Jan Foreman | Assistant Accountant |
| Mike Hassett | Stunts |
| James M. Sheppherd | Key Grip |
| John Lubin | Best Boy Grip |
| William M. Randall Jr. | Cableman |
| Ronnie Wexler | Swing |
| Mike Wynands | Construction Foreman |
| Al Wininger | Special Effects |
| Harry Ueshiro | Transportation Coordinator |
| Douglas Brumer | Assistant Editor |
| Zenko Heshiki | Technical Advisor |
| Marge Spencer | Extras Casting |
