 | Tom Hanks als Josh Baskin |
 | Elizabeth Perkins als Susan |
 | Robert Loggia als MacMillan |
 | John Heard als Paul |
 | Jared Rushton als Billy |
 | David Moscow als Young Josh |
 | Jon Lovitz als Scotty Brennen |
 | Mercedes Ruehl als Mrs. Baskin |
 | Josh Clark als Mr. Baskin |
 | Kimberlee M. Davis als Cynthia Benson |
| Oliver Block als Freddie Benson |
| Erika Katz als Cynthia's Friend |
 | Allan Wasserman als Gym Teacher |
 | Mark Ballou als Derek |
 | Gary Klar als Ticket Taker |
| Alec Von Sommer als First Brother |
| Chris Dowden als Second Brother |
 | Rockets Redglare als Motel Clerk |
 | Jamie Tirelli als Spanish Voice (voice) |
 | Paul Herman als Schizo |
 | Nancy Giles als Administrative Woman |
| Jordan Thaler als Administrative Clerk |
 | Dana Kaminski als Personnel Receptionist |
| Harvey Miller als Personnel Director |
 | Tracy Reiner als Test Market Researcher |
 | James Eckhouse als Supervisor |
 | Linda Gillen als Woman in Red Dress |
| Mildred R. Vandever als Receptionist |
| Bert Goldstein als First Executive |
 | Kevin Meaney als Executive #2 |
 | Peter McRobbie als Executive #3 |
 | Paul J.Q. Lee als Executive #4 |
 | Debra Jo Rupp als Miss Patterson |
 | Keith Reddin als Payroll Clerk |
 | Lela Ivey als Bank Teller |
| Dolores Messina als Real Estate Agent |
| Gordon Press als Moving Man |
| George J. Manos als Limousine Driver |
 | Vince Cupone als Photon Laser Gunfighter |
 | Susan Wilder als Karen |
 | John Rothman als Phil |
| Judd Trichter als Adam |
| Pasquale Pugliese als Tenor / Dough Man |
| Tom Coviello als Singing Waiter |
| Richard Devia als Singing Waiter |
| Teddy Holiavko als Singing Waiter |
| Augusto Mariani als Singing Waiter |
| Alfredo Monti als Singing Waiter |
| Sergio Mosetti als Singing Waiter |
| Armando Penso als Singing Waiter |
| Edward Schick als Piano Player |
| F. Benjamin Stimler als Boy in Leaves |
| Jonathan Isaac Landau als Boy in Leaves |
| Samantha Larkin als Girl Friend of Cynthia |
 | Bruce Jarchow als Photographer |
| Vaughn Sandman als Boy on Baseball Field |
| Pawl Bazile als Child at Taxi Stand (uncredited) |
 | Brian J. Cano als Basketball Player (uncredited) |
| Victor Competiello als Bartender (uncredited) |
 | Kevin Fennessy als Handball Spectator (uncredited) |
 | Frances Fisher als Billy's Mother (Extended Version) (uncredited) |
| Matt Mindell als Friend (uncredited) |
 | Brooke Marie Procida als Student (uncredited) |
| Karen Starr als Party Guest (uncredited) |
| Lori Randolph als Little Girl at Toy Store (uncredited) |
| Gary Ross | Screenplay |
| Santo Loquasto | Production Design |
| Barry Malkin | Editor |
| Anne Spielberg | Screenplay |
| James L. Brooks | Producer |
| Howard Shore | Original Music Composer |
| Penny Marshall | Director |
| Robert Greenhut | Producer |
| Barry Sonnenfeld | Director of Photography |
| Gary Ross | Co-Producer |
| Anne Spielberg | Co-Producer |
| Patricia Birch | Choreographer |
| Juliet Taylor | Casting Director |
| Paula Herold | Casting Director |
| Judianna Makovsky | Costume Design |
| Tom Warren | Art Direction |
| Speed Hopkins | Art Direction |
| Michael Smith | Assistant Art Director |
| George DeTitta Jr. | Set Decoration |
| Susan Bode Tyson | Set Decoration |
| Mickey Scott | Makeup Artist |
| Lyndell Quiyou | Hairstylist |
| Jerry Ross | Supervising Sound Editor |
| Elliot Abbott | Music Coordinator |
| Robert Greenhut | Unit Production Manager |
| Thomas A. Reilly | First Assistant Director |
| Ken Ornstein | Second Assistant Director |
| Timothy M. Bourne | Assistant Production Manager |
| Amy Lemisch | Post Production Supervisor |
| Todd Arnow | Production Supervisor |
| Amy Herman | Production Supervisor |
| Saul Bass | Title Designer |
| Glenn Lloyd | Art Department Coordinator |
| Dave Weinman | Set Dresser |
| James Mazzola | Property Master |
| Jeff Mazzola | Assistant Property Master |
| Kay Chapin | Script Supervisor |
| Tony C. Jannelli | Camera Operator |
| Michael Green | Assistant Camera |
| Jay Levy | Assistant Camera |
| Bobby Mancuso | Assistant Camera |
| Brian Hamill | Still Photographer |
| Les Lazarowitz | Production Sound Mixer |
| Linda Murphy | Boom Operator |
| Mike Bedard | Cableman |
| Chris Jenkins | Sound Re-Recording Mixer |
| Gary Alexander | Sound Re-Recording Mixer |
| Steve Pederson | Sound Re-Recording Mixer |
| Elizabeth Shelton | Assistant Costume Designer |
| Dennis Gamiello | Key Grip |
| John W. DeBlau | Gaffer |
| Ron Petagna | Construction Coordinator |
| Harold 'Whitey' McEvoy | Transportation Captain |
| Richard Baratta | Location Manager |
| Jim Weidman | Music Editor |
| Suzana Peric | Music Editor |
| Scott Grusin | Music Editor |
| Tom Bellfort | Sound Editor |
| Jay Dranch | Sound Editor |
| David A. Fechtor | Sound Editor |
| Sukey Fontelieu | Sound Editor |
| Bobbe Kurtz | Sound Editor |
| Cindy Marty | Sound Editor |
| James Matheny | Sound Editor |
| Frank Smathers | Sound Editor |
| Hugo Weng | Sound Editor |
| Linda Whittlesey | Sound Editor |
| Beth Bergeron | Supervising ADR Editor |
| Avram D. Gold | Dialogue Editor |
| James Ashwill | Foley Recordist |
| Joe Dorn | Assistant Sound Editor |
| Ann Ducommun | Assistant Sound Editor |
| Julie Feiner | Assistant Sound Editor |
| Christopher Flick | Assistant Sound Editor |
| Susan Mazzei | Assistant Sound Editor |
| Robert Yamamoto | Assistant Sound Editor |
| Barbara Harris | ADR Voice Casting |
| Ellen Lewis | Casting Associate |
| Dawn Steinberg | Casting Assistant |
| Todd M. Thaler | Extras Casting |
| Judie Fixler | Extras Casting |
| Danny Irom | Second Second Assistant Director |
| Homer Denison | Orchestrator |
| Armin Steiner | Scoring Mixer |
| Bob Hagans | Color Timer |
| Dennis Brookins | Negative Cutter |
