 | Michael Caine als Captain Mike Turner |
 | Sally Field als Celeste Whitman |
 | Telly Savalas als Captain Stefan Svevo |
 | Peter Boyle als Frank Mazzetti |
 | Jack Warden als Harold Meredith |
 | Shirley Knight als Hannah Meredith |
 | Shirley Jones als Nurse Gina Rowe |
 | Karl Malden als Wilbur Hubbard |
 | Slim Pickens als Tex |
 | Veronica Hamel als Suzanne Constantine |
 | Angela Cartwright als Theresa Mazzetti |
 | Mark Harmon als Larry Simpson |
 | Paul Picerni als Kurt |
 | Patrick Culliton als Doyle |
 | Dean Raphael Ferrandini als Castorp |
| Irwin Allen | Producer |
| Nelson Gidding | Screenplay |
| Irwin Allen | Director |
| Paul Gallico | Writer |
| Kathleen McCandless | Costumer |
| Joseph F. Biroc | Director of Photography |
| Janet Brady | Stunts |
| Marneen Fields | Stunt Double |
| Paul Stader | Stunt Coordinator |
| Bob Bralver | Stunts |
| Joe Cirillo | Stunts |
| John Epper | Stunts |
| George P. Wilbur | Stunts |
| Fred Scheiwiller | Stunts |
| Hubie Kerns Jr. | Stunts |
| Vince Deadrick Sr. | Stunts |
| Justin De Rosa | Stunts |
| Peter Stader | Stunts |
| Henry Wills | Stunts |
| Fred Zendar | Stunts |
| Preston Peterson | Stunts |
| Kay Kimler | Stunts |
| Larry Gilhooly | Gaffer |
| Al Gail | Associate Producer |
| Jerry Fielding | Music |
| Bill Brame | Editor |
| Jack Baur | Casting |
| E. Preston Ames | Production Design |
| Stuart A. Reiss | Set Decoration |
| Paul Zastupnevich | Costume Design |
| Chuck Crafts | Makeup Artist |
| Tom Ellingwood | Makeup Artist |
| Darby Hoppin | Hairstylist |
| Tony Lloyd | Makeup Artist |
| Lola 'Skip' McNalley | Hairstylist |
| Don Schoenfeld | Makeup Artist |
| Don Sheldon | Hairstylist |
| Norman A. Cook | Production Manager |
| Mike Salamunovich | Assistant Director |
| Lindsley Parsons III | Second Assistant Director |
| Harold Fuhrman | Set Designer |
| Howard Jensen | Special Effects |
| Ted Koerner | Special Effects |
| Gary Zink | Special Effects |
| Kenneth Peach Jr. | Camera Operator |
| Frederic J. Smith | Camera Operator |
| Eric D. Anderson | First Assistant Camera |
| Richard Barth | First Assistant Camera |
| Howard Ford | Assistant Camera |
| John Monte | Still Photographer |
| Gordon Paschal | Assistant Camera |
| Frank Redmond | Assistant Camera |
| Richard Turner | Assistant Camera |
