 | James Spader als Morgan Hiller |
 | Kim Richards als Frankie Croyden |
 | Paul Mones als Nick Hauser |
 | Matt Clark als Stuart Hiller |
 | Claudette Nevins als Page Hiller |
 | Olivia Barash als Ronnie |
 | Robert Downey Jr. als Jimmy Parker |
 | Panchito Gómez als Mickey |
 | Michael Wyle als Eddie |
 | Catya Sassoon als Feather |
 | Francis X. McCarthy als Man at Bus Stop |
 | Art Evans als Security Guard |
 | Herb Mitchell als Mr. Russell |
 | Ceil Cabot als Secretary |
 | Donald Fullilove als Howard |
| Vivian Brown als History Teacher |
| Bill Beyers als Brian Hiller |
 | Jered Barclay als Reynolds |
| Lou Fant als Mr. Croyden |
| Gene Pietragallo als Donnie Parker |
| Donna Fuller als Nurse |
| Evonne Kezios als Muffy |
| Cheryl Ann Clark als Patty |
| Matt Gavin als Alan |
| Chad McCann als Troy |
| William Bergman als Jack Mack and the Heart Attack - Tenor Sax |
| John Berry Jr. als Jack Mack and the Heart Attack - Trumpet |
| Rick Braun als Jack Mack and the Heart Attack - Trumpet, Vocals |
| Mark Campbell als Jack Mack and the Heart Attack - Lead Vocals |
| James R. Coile als Jack Mack and the Heart Attack - Tenor Sax |
| Peter Freiberger als Jack Mack and the Heart Attack - Bass |
| Andrew Kastner als Jack Mack and the Heart Attack - Guitar |
| Jack Mack als Jack Mack and the Heart Attack - Drums, Vocals |
| John Paruolo als Jack Mack and the Heart Attack - Keyboards |
| Greg Smith als Jack Mack and the Heart Attack - Baritone Sax |
| Dale Gonyea als Country Club Band Leader |
 | Randy Lowell als Country Club Band |
| Jon Ewen als Country Club Band |
| Tom McShane als Country Club Band |
| Wes Moczulski als Country Club Band |
| Ray Zimmerman als Country Club Band |
 | Jim Carroll als Self |
| Eric Kiertzner als Warehouse Band |
| Mike Lea als Warehouse Band |
| Tom Sims als Warehouse Band |
| Fritz Kiersch | Director |
| Linda Francis | Casting |
| Anne Kuljian | Set Decoration |
| Murray Michaels | Story |
| Craig Stearns | Art Direction |
| Pat Kehoe | Co-Producer |
| Bob Manning | Associate Producer |
| Donald P. Borchers | Producer |
| Marc Grossman | Editor |
| Jette Rinck | Screenplay |
| Willy Kurant | Director of Photography |
| Jonathan Elias | Original Music Composer |
| Kathie Clark | Costume Design |
| Greg Collins O'Neill | Story |
| David DeCoteau | Craft Service |
| Kathy Webright | Hairdresser |
| Peter Borck | Set Dresser |
| Terri Fricon | Music Coordinator |
| Julia Evershade | Sound Editor |
| Vince Deadrick Jr. | Stunt Coordinator |
| Gay Jones | Music Coordinator |
| Frankie Nixon | Script Supervisor |
| Patrica Swenson | Production Coordinator |
| Robert Banas | Choreographer |
| Gregg Barbanell | Supervising Sound Editor |
| Susan Gelb | Production Manager |
| Ed White | Sound Mixer |
| Craig Felburg | Sound Mixer |
| Nancy Fogarty | Music Editor |
| Teresa M. Austin | Key Hairdresser |
| Jonathan Elias | Music Arranger |
| Susan Emshwiller | Set Dresser |
| Scott Elias | Executive Music Producer |
| Christy Ann Newquist | Makeup Artist |
| Pete Antico | Stunts |
| Paula Moody | Stunts |
| Bernie Pock | Stunts |
| Steven Lambert | Stunts |
| Steve Picerni | Stunts |
| Jeff Smolek | Stunts |
| Spiro Razatos | Stunts |
| Chuck Waters | Stunts |
| James R. Murray | First Assistant Director |
| Bob Yerkes | Stunts |
| Scott Wilder | Stunts |
| Jesse Wayne | First Assistant Director |
| Nita Nickerson | Production Accountant |
| Tandi Slater | Assistant Production Manager |
| David E. Harshbarger | Assistant Property Master |
| Lillian Youngblood | Wardrobe Assistant |
| Julie Purcell | Assistant Makeup Artist |
| Gregory R. Wolf | Property Master |
| Stuart B. Hagen | Second Assistant Director |
| Joe Woo Jr. | Associate Editor |
| Robert J. Anderson Jr. | Boom Operator |
| Elliot Davis | Camera Operator |
| Peter Freitas | Storyboard Artist |
| Giovanna Ottobre-Melton | Key Costumer |
| Richard Davis, Jr. | Location Manager |
| Anna Rita Raineri | Art Department Coordinator |
| Tracy Trotter | First Assistant Camera |
| Martin J. Layton | First Assistant Camera |
| Peter Kalisch | Second Assistant Camera |
| Richard Kuhn | Best Boy Grip |
| James R. White | Transportation Captain |
| Allen Shelley | Electrician |
| Jerry Workman | Dolly Grip |
| James J. Gilson | Gaffer |
| Robert Isenberg | First Assistant Camera |
| Michael Haney | Grip |
| David Howes | Electrician |
| Woody Perkins | Dolly Grip |
| Tracy Neftzger | Key Grip |
| Ron Wisnesky | Best Boy Electrician |
| Pascal Franchot | Electrician |
| John Reade | Transportation Coordinator |
| Jonathan Elias | Conductor |
| Joseph D. Citarella | Sound Re-Recording Mixer |
| Neil Brody | Sound Re-Recording Mixer |
| Arnold Finkelstein | Assistant Sound Editor |
| Frederick Wasser | Sound Editor |
| Blake Leyh | Sound Editor |
| Greg Jacobs | Sound Editor |
| James Gavin Bedford | Assistant Editor |
| Roger Armstrong | Unit Publicist |
| Ellen Murphy | Negative Cutter |
| Lonnie Sutter | Assistant Editor |
| Gary C. Bourgeois | Sound Re-Recording Mixer |
| Richard Foreman Jr. | Still Photographer |
