 | Arnold Schwarzenegger als Julius Benedict |
 | Danny DeVito als Vincent Benedict |
 | Kelly Preston als Marnie Mason |
 | Chloe Webb als Linda Mason |
 | Bonnie Bartlett als Old Mary Ann Benedict |
 | Marshall Bell als Webster |
 | Trey Wilson als Beetroot McKinley |
 | David Caruso als Al Greco |
 | Hugh O'Brian als Granger |
 | Tony Jay als Werner |
 | Nehemiah Persoff als Mitchell Traven |
 | Maury Chaykin als Burt Klane |
 | Tom McCleister als Bob Klane |
 | David Efron als Morris Klane |
 | Peter Dvorsky als Peter Garfield |
 | Robert Harper als Gilbert Larsen |
 | Rosemary Dunsmore als Miss Busby |
| Lora Milligan als Stewardess |
| Richard deFaut als Custodian |
 | Richard Portnow als Chop Shop Owner |
 | S.A. Griffin als Hollywood Biker #1 |
 | Billy D. Lucas als Hollywood Biker #2 |
 | Lew Hopson als Cop |
 | Frances Bay als Mother Superior |
 | Marvin J. McIntyre als McKinley's Man |
 | Cary-Hiroyuki Tagawa als Oriental Man |
 | Wayne Grace als Cell Guard |
| Thomas Wagner als Visiting Room Guard |
 | Jay Arlen Jones als Mover #1 |
 | Ty Granderson Jones als Mover #2 |
 | Elizabeth Kaitan als Secretary |
 | Tom Platz als Granger Son #1 |
| Roger Callard als Granger Son #2 |
 | Jason Reitman als Granger Grandson |
 | Catherine Reitman als Granger Granddaughter |
 | Dendrie Taylor als Female Neighbor |
 | Sven-Ole Thorsen als Sam Klane |
| Gus Rethwisch als Dave Klane |
 | Linda Porter als Painter |
 | Bruce McBroom als Handsome Father |
 | Joe Medjuck als Photographer |
| Frank Davis als Security Guard |
 | John Michael Bolger als Security Guard |
 | Steve Reevis als Indian |
 | Jeff Beck als Lead Guitarist |
| Terry Bozzio als Drums |
| Tony Hymas als Keyboards |
 | Nicolette Larson als Singer |
| Jill Avery als Bass Player |
| Dustin Amy als Picture Taker #2 (uncredited) |
 | Heather Graham als Young Mary Ann Benedict (uncredited) |
 | Peter Kent als Man in Jail (uncredited) |
| Raymond Storti als Bar Patron (uncredited) |
| William Osborne | Screenplay |
| Michael C. Gross | Executive Producer |
| Timothy Harris | Screenplay |
| Ivan Reitman | Producer |
| Herschel Weingrod | Screenplay |
| Donn Cambern | Editor |
| Sheldon Kahn | Editor |
| Ivan Reitman | Director |
| Andrzej Bartkowiak | Director of Photography |
| Joe Medjuck | Executive Producer |
| William Davies | Screenplay |
| Michael Chinich | Casting |
| James D. Bissell | Production Design |
| John T. Walker | Set Decoration |
| Gloria Gresham | Costume Design |
| Randy Edelman | Original Music Composer |
| Christopher Burian-Mohr | Art Direction |
| Georges Delerue | Original Music Composer |
| Peter Giuliano | First Assistant Director |
| Leonard Engelman | Makeup Artist |
| Peggy Semtob | Hairstylist |
| Judith A. Cory | Hairstylist |
| William Goldman | Script Researcher |
| Katherine Kotarakos | Makeup Artist |
| Ira S. Rosenstein | Second Second Assistant Director |
| Barry K. Thomas | Second Assistant Director |
| Steve Boyum | Stunts |
| Peter Afterman | Music Supervisor |
| Wilma Garscadden-Gahret | Script Supervisor |
| Sheldon Kahn | Associate Producer |
| Linnea Ebba Wicklund | Second Second Assistant Director |
| Debra Bard | Assistant Editor |
| Gordon A. Webb | Unit Production Manager |
| Gordon A. Webb | Associate Producer |
| Robert Ostermann | Hairstylist |
| Bobby Bass | Stunts |
| Peter Tothpal | Hairstylist |
| Stephanie Epper | Stunts |
| Donna Garrett | Stunts |
| Debbie Evans | Stunt Driver |
| Peter Kent | Stunt Double |
| Joel Kramer | Stunt Coordinator |
| Sandra Lee Gimpel | Stunts |
| Joel Kramer | Stunt Double |
| Nick Dimitri | Stunts |
| Marguerite Happy | Stunts |
| Nancy Patton | Set Designer |
| William James Teegarden | Set Designer |
| Ed Verreaux | Set Designer |
| Gordon Meloeny | Set Dresser |
| Robert G. Santarella | Set Dresser |
| Bryan D. Garofalo | Set Dresser |
| Steven Lee Baer | Set Dresser |
| Dustin Blauvelt | Camera Operator |
| Toby Phillips | Steadicam Operator |
| Bruce McBroom | Still Photographer |
| Gene S. Cantamessa | Sound Mixer |
| Steve Cantamessa | Boom Operator |
| Mark Jennings | Cableman |
| Jeff Dawn | Makeup Artist |
| Adrienne Manhan | Costumer |
| Bill MacSems | Property Master |
| Stuart Watnick | Assistant Property Master |
| Hope M. Parrish | Assistant Property Master |
| Tom Miller | Assistant Property Master |
| Pamela Cederquist | Production Coordinator |
| Pamela Easley | Production Coordinator |
| Ellen Adolph | Production Accountant |
| Stuart Fink | Publicist |
| Dorothy O'Leary | Casting Assistant |
| Tom McCarthy Jr. | Supervising Sound Editor |
| Fred Judkins | Supervising Sound Editor |
| Richard Friedman | Supervising ADR Editor |
| Joe Gilbert | ADR Editor |
| David M. Ice | Sound Effects Editor |
| Don S. Walden | Sound Effects Editor |
| Mary Ruth Smith | Sound Effects Editor |
| Mark Gordon | Sound Effects Editor |
| Jeff Rosen | Sound Effects Editor |
| Edward Rossi | Sound Effects Editor |
| David Williams | Sound Effects Editor |
| William Hartman | Sound Effects Editor |
| Tom Buffum | Special Sound Effects |
| Diane DeLouise Wessel | Assistant Music Supervisor |
| Dawn Solér | Project Manager |
| Frank Fitzpatrick | Supervising Music Editor |
| Jeffrey James Bell | Assistant Editor |
| Saul Saladow | Assistant Editor |
| Paula Tracy-Smuin | Choreographer |
| Chris Strong | Gaffer |
| R. Michael De Chellis | Rigging Gaffer |
| Curt Marthey | Electrician |
| Rick A. Benedetto | Electrician |
| Cary Griffith | Key Grip |
| Hank Sheppherd | Second Company Grip |
| Khan Griffith | Grip |
| Rodney Veto | Grip |
| Phillip R. Sarabia | Grip |
| William Kenney | Dolly Grip |
| Michael Lantieri | Special Effects Coordinator |
| Ernie Depew | Construction Coordinator |
| Eero Hautanen | Construction Foreman |
| Mike Litteken | Construction Foreman |
| Francis N. 'Lucky' Costello | Standby Painter |
| David Marder | Transportation Coordinator |
| John Feinblatt | Transportation Captain |
| Marlo Hellerstein | Transportation Captain |
| Frank Davis | Production Assistant |
| Kris Krengel | Production Assistant |
| Michael Neuman | Production Assistant |
| Dylan Gross | Production Assistant |
| Stephanie Kahn | Production Assistant |
| Christine Cramer | Production Assistant |
| Donah Bassett | Negative Cutter |
| Bob Hagans | Color Timer |
| Reid Burns | Color Timer |
| Jerry Brutsche | Stunts |
| Buzz Bundy | Stunts |
| Vince Deadrick Jr. | Stunts |
| Richard Drown | Stunts |
| Jophery C. Brown | Stunts |
| Debbie Evans | Stunts |
| Roy E. Harrison | Stunts |
| A. Michael Lerner | Stunts |
| David Perna | Stunts |
| Walter Robles | Stunts |
| R.A. Rondell | Stunts |
| Frank James Sparks | Stunts |
| Steven Lambert | Stunts |
| Michael M. Vendrell | Stunts |
| Erik Cord | Stunts |
| Amber Alexander | Stunts |
| Lane Leavitt | Stunts |
