 | Dennis Quaid als Alex Gardner |
 | Max von Sydow als Paul Novotny |
 | Christopher Plummer als Bob Blair |
 | Eddie Albert als The President |
 | Kate Capshaw als Jane DeVries |
 | David Patrick Kelly als Tommy Ray Glatman |
 | George Wendt als Charlie Prince |
 | Larry Gelman als Mr. Webber |
 | Cory 'Bumper' Yothers als Buddy |
 | Redmond Gleeson als Snead |
 | Peter Jason als Babcock |
 | Chris Mulkey als Finch |
 | Jana Taylor als Mrs. Webber |
 | Madison Mason als Fred Schoenstein |
| Kendall Carly Browne als Mrs. Matusik |
| Kate Charleson als President's Daughter |
| Eric Gold als Tommy Ray's Father |
 | Virginia Kiser als President's Wife |
| Carl Strano als Edward Simms |
 | Brian Libby als McClaren |
| Bob Terhune als Dobbs |
| Fred Waugh als Bill Hardy |
 | Timothy Blake als Mrs. Blair |
| Carey Fox als Tech Aide #1 |
| Marii Mak als Tech Aide #2 |
| Claudia Lowe als Tech Aide #3 |
| Anna Chavez als Newswoman |
 | Ben Kronen als Train Conductor |
| John Malone als Trolley Conductor |
| Mindi Iden als Waitress |
 | Betty Kean als Grandma |
| Trent Dolan als Desk Guard |
| Andrew Boyer als Webber's Brother |
| George Caldwell als Buddy's Father |
| Ernest Harada als Gardener |
| Tina Greenberg als Nurse |
| Alan Buchdahl als Track Announcer |
 | Larry Cedar als The Snakeman |
| Joseph Ruben | Director |
| Maurice Jarre | Original Music Composer |
| Brian Tufano | Director of Photography |
| Richard Halsey | Editor |
| Tom Curtis | Executive Producer |
| Stanley R. Zupnik | Executive Producer |
| Jerry Tokofsky | Co-Producer |
| Bruce Cohn Curtis | Producer |
| Chuck Russell | Screenplay |
| Joseph Ruben | Screenplay |
| Chuck Russell | Associate Producer |
| David Loughery | Screenplay |
| Craig Reardon | Special Effects Makeup Artist |
| Peter Kuran | Visual Effects Supervisor |
| David Loughery | Screenstory |
| Cami Dempsey Taylor | Associate Producer |
| Amy Rabins | Production Executive |
| Julie Bilson Ahlberg | Production Coordinator |
| Johanna Ray | Casting Director |
| Michael Daves | First Assistant Director |
| Thomas Lofaro | First Assistant Director |
| Robert J. Doherty | Second Assistant Director |
| Jerry Ketcham | Second Assistant Director |
| Jeff Staggs | Art Direction |
| Linda M. Bass | Costume Designer |
| Francesca Maxwell | Makeup Artist |
| Kathy Zatarga | Script Supervisor |
| Lorenzo DeStefano | Associate Editor |
| R. Clifford Searcy | Art Direction |
| Daniel Schott | Production Assistant |
| Paul Elliott | Assistant Camera |
| Steven Finestone | Assistant Camera |
| Ward Russell | Gaffer |
| Ben Roscolene | Key Grip |
| Jack Johnson | Key Grip |
| David L. Glazer | Property Master |
| Kirk Francis | Sound Mixer |
| Susumu Tokonow | Sound Mixer |
| Susie DeSanto | Wardrobe Supervisor |
| Richard Arrington | Assistant Makeup Artist |
| Michael Fottrell | Post Production Coordinator |
| Barbara Slifka | Post Production Coordinator |
| Len Morganti | Visual Effects Art Director |
| Edward Manning | Animation Director |
| M. J. Elliott | Still Photographer |
| Aloma Ichinose | Still Photographer |
| Julie Feiner | Assistant Editor |
| Jim Arnett | Stunt Coordinator |
| David Lewis Yewdall | Supervising Sound Editor |
| David Stone | Sound Editor |
| Kendrick Sweet | Sound Editor |
| Barbara J. Boguski | Sound Editor |
| Steve Rice | Dialogue Editor |
| John Post | Foley Artist |
| Gary C. Bourgeois | Sound Re-Recording Mixer |
| Neil Brody | Sound Re-Recording Mixer |
| Joseph D. Citarella | Sound Re-Recording Mixer |
