At the height of the frontier era, a train races through the Rocky Mountains on a classified mission to a remote army post. But one by one the passengers are being murdered, and their only hope is the mysterious John Deakin, who's being transported to face trial for murder.
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| Production | Jerry Gershwin | Producer |
| Directing | Tom Gries | Director |
| Editing | Byron 'Buzz' Brandt | Editor |
| Sound | Jerry Goldsmith | Original Music Composer |
| Art | Darrell Silvera | Set Decoration |
| Production | Elliott Kastner | Executive Producer |
| Production | Louis DiGiaimo | Casting |
| Writing | Alistair MacLean | Novel |
| Writing | Alistair MacLean | Screenplay |
| Art | Tambi Larsen | Art Direction |
| Camera | Lucien Ballard | Director of Photography |
| Directing | Michael Preece | Script Supervisor |
| Lighting | Randy Glass | Gaffer |
| Camera | Kenny Bell | Still Photographer |
| Crew | Gerald Endler | Special Effects |
| Costume & Make-Up | Phil Rhodes | Key Makeup Artist |
| Costume & Make-Up | Vivienne Walker | Key Hair Stylist |
| Costume & Make-Up | Alma Johnson | Hairstylist |
| Costume & Make-Up | Evelyn Preece | Hairstylist |
| Production | Don Guest | Production Manager |
| Art | Nigel A. Boucher | Assistant Set Decoration |
| Art | R. Gilbert Clayton | Set Designer |
| Art | Sam Gordon | Property Master |
| Art | Kim Swados | Assistant Art Director |
| Sound | Gene S. Cantamessa | Sound Mixer |
| Sound | David M. Horton | Sound Effects Editor |
| Sound | Don Merritt | Boom Operator |
| Crew | A.D. Flowers | Special Effects |
| Crew | Logan Frazee | Special Effects |
| Editing | George C. Villaseñor | Assistant Editor |
| Costume & Make-Up | Tom Dawson | Key Costumer |
| Costume & Make-Up | Paula Lynn Kaatz | Costumer |
| Crew | Terry Leonard | Stunts |
| Crew | Joe Canutt | Stunts |
| Crew | Yakima Canutt | Stunt Coordinator |
| Crew | Howard Curtis | Stunts |
| Crew | Tony Brubaker | Stunts |
| Crew | Mickey Gilbert | Stunts |
| Crew | Eldon Burke | Stunts |
| Crew | Robert Tessier | Stunts |
| Production | Alleen N. Nollmann | Producer's Assistant |
