 | Molly Ringwald als Samantha Baker |
 | Michael Schoeffling als Jake Ryan |
 | Haviland Morris als Caroline Mulford |
 | Gedde Watanabe als Long Duk Dong |
 | Anthony Michael Hall als Geek (Ted) |
 | Justin Henry als Mike Baker |
 | Paul Dooley als Jim Baker |
 | Carlin Glynn als Brenda Baker |
 | Blanche Baker als Ginny Baker |
 | Edward Andrews als Howard Baker |
 | Billie Bird als Dorothy Baker |
 | Carole Cook als Grandma Helen |
 | Max Showalter als Grandpa Fred |
 | Liane Curtis als Randy |
 | John Cusack als Bryce |
 | Darren Harris als Cliff |
 | Debbie Pollack als Lumberjack |
| Ross Berkson als Ray Gun Geek #1 |
| Jonathan Chapin als Jimmy Montrose |
 | Joan Cusack als Geek Girl #1 |
 | Brian Doyle-Murray als Reverend |
| Bekka Eaton als Female D.J. |
| Pamela Elser als Shower Double |
| Steven Farber als Ray Gun Geek #2 |
 | Jami Gertz als Robin |
 | Frank Howard als Freshman |
| Cinnamon Idles als Sara |
 | John Kapelos als Rudy Ryszczyk |
| Marge Kotlisky als Irene |
 | Tony Longo als Rock |
 | Steve Monarque als Jock |
| Bill Orsi als Bruno |
| Beth Ringwald als Patty |
 | Zelda Rubinstein als Organist |
| Dennis Vero als Bus Driver |
| Elaine Wilkes als Tracy |
 | Adam Rifkin als Head Nerd (uncredited) |
| Liz Kern als High School Student (uncredited) |
| Erika Pearson als Student (uncredited) |
| James Huffman als Student in Crowd (uncredited) |
 | Andy Hirsch als Boy with Coronet (uncredited) |
| James Vallo als Bandie (uncredited) |
| Stephan Meyers als Geek at Dance (uncredited) |
| Jennifer Scott als Wallflower (uncredited) |
| Agnes Belushi als Wedding Guest (uncredited) |
| Robert Minkoff als Extra (uncredited) |
| Sven Granlund als Extra (uncredited) |
| John Hughes | Director |
| Edward Warschilka | Editor |
| Jackie Burch | Casting |
| Bobby Byrne | Director of Photography |
| Hilton A. Green | Producer |
| Ned Tanen | Executive Producer |
| John W. Corso | Production Design |
| Jennifer Polito | Set Decoration |
| Mark Peterson | Costume Design |
| Edouard F. Henriques | Makeup Artist |
| Rodger Jacobs | Makeup Artist |
| Bruce Bell | Sound Editor |
| Glenn Hoskinson | Sound Editor |
| Bob Johnston | Sound Editor |
| Rick Kline | Sound Re-Recording Mixer |
| Robert J. Litt | Sound Re-Recording Mixer |
| John Stacy | Supervising Sound Editor |
| Bruce Stambler | Sound Editor |
| Elliot Tyson | Sound Re-Recording Mixer |
| Michelle Manning | Associate Producer |
| Jimmy Iovine | Music Supervisor |
| Rick LeFevour | Stunts |
| Shannon Madill | Stunts |
| Kay Whipple | Stunts |
| Daniel Franklin | Unit Production Manager |
| Newt Arnold | First Assistant Director |
| James Giovannetti Jr. | Second Assistant Director |
| Yolanda Toussieng | Hairstylist |
| Gary B. Kibbe | Camera Operator |
| Eric Engler | Assistant Camera |
| Sandy King | Script Supervisor |
| James R. Alexander | Sound Mixer |
| Michael D. Wilhoit | Sound Editor |
| Ted Whitfield | Music Editor |
| Jack Gosden | ADR Editor |
| Walter A. Gest | Sound Recordist |
| John Roesch | Foley |
| Joan Rowe | Foley |
| John W. Brumshagen | Gaffer |
| Rick Borchardt | Key Grip |
| Billy Higgins | Location Manager |
| Michael Orefice | Best Boy Electric |
| Donah Bassett | Negative Cutter |
| Aubrey Head | Color Timer |
| Wayne Fitzgerald | Title Designer |
| Deedee Wehle | Casting Assistant |
| David Gonzales | Casting Assistant |
| John Hughes | Writer |
| Ira Newborn | Original Music Composer |
| Kathe Swanson | Hairstylist |
| Sean Daniel | Executive In Charge Of Production |
| Adam Fields | Executive In Charge Of Production |
| Robert R. Volpe | Property Master |
| Paul Stanwyck | Painter |
| Gary Priest | Assistant Sound Editor |
| Greg Agalsoff | Boom Operator |
| Ed Golya | ADR Mixer |
| Allen Hurd | Sound |
| Katie Leigh | ADR & Dubbing |
| Greg Orloff | Foley Recordist |
| Donald C. Rogers | Sound Technical Supervisor |
| Cheryl Ivy Sweeney | Stunts |
| Mike Yuan | Stunts |
| James Blanford | Camera Operator |
| James Zenk | Still Photographer |
| Art Bartels | Key Grip |
| Mark Peterson | Costumer |
| Marla Denise Schlom | Costumer |
| Jerrie Fowler | Assistant Editor |
| Scott K. Wallace | Assistant Editor |
| David Buell | Score Engineer |
| Patrick Nallon | Transportation Captain |
| Walter Tabayoyong | Stand In |
| Ross L. Kulma | Set Medic |
| Linnea Ebba Wicklund | Production Secretary |
| Charles Hirschhorn | Production Assistant |
| Donald Carlson | Assistant Camera |
| Tommy Cox | Best Boy Electric |
| Mike Henry | Production Intern |
| Pam Green | Production Assistant |
