 | Tom Berenger als Sam Weber |
 | Glenn Close als Sarah Cooper |
 | Jeff Goldblum als Michael Gold |
 | William Hurt als Nick Carlton |
 | Kevin Kline als Harold Cooper |
 | Mary Kay Place als Meg Jones |
 | Meg Tilly als Chloe |
 | JoBeth Williams als Karen Bowens |
 | Don Galloway als Richard Bowens |
 | James Gillis als Minister |
| Ken Place als Peter the Cop |
 | Jonathan Kasdan als Harold and Sarah's Son |
| Ira Stiltner als Running Dog Driver |
 | Jake Kasdan als Autograph Seeker |
| Muriel Moore als Alex's Mother |
| Meg Kasdan als Airline Hostess |
 | Patricia Gaul als Annie |
| Marcia Nasatir | Executive Producer |
| Michael Shamberg | Producer |
| Lawrence Kasdan | Director |
| John Fogerty | Original Music Composer |
| Lawrence Kasdan | Executive Producer |
| Carol Littleton | Editor |
| Barbara Benedek | Screenplay |
| John Bailey | Director of Photography |
| Lawrence Kasdan | Screenplay |
| Barrie M. Osborne | Unit Production Manager |
| April Ferry | Costume Design |
| Michael Germain | Makeup Artist |
| Mickey Scott | Makeup Artist |
| Lyndell Quiyou | Hairstylist |
| Robert Grieve | Sound Editor |
| Lawrence J. Cavanaugh | Special Effects Supervisor |
| Raul A. Bruce | Boom Operator |
| Michael Tomack | Sound Editor |
| Bill Conti | Music |
| Ida Random | Production Design |
| George Gaines | Set Decoration |
| Wallis Nicita | Casting |
| Michele Neely | Costumer |
| Mort Schwartz | Costumer |
| Pamela Alch | Script Supervisor |
| Bruce Cannon | Assistant Editor |
| Mia Goldman | Assistant Editor |
