A somewhat daffy book editor on a rail trip from Los Angeles to Chicago thinks that he sees a murdered man thrown from the train. When he can find no one who will believe him, he starts doing some investigating of his own. But all that accomplishes is to get the killer after him.
| Production | Edward K. Milkis | Producer |
| Production | Thomas L. Miller | Producer |
| Production | Martin Ransohoff | Executive Producer |
| Production | Frank Yablans | Executive Producer |
| Sound | Henry Mancini | Original Music Composer |
| Camera | David M. Walsh | Director of Photography |
| Editing | David Bretherton | Editor |
| Directing | Arthur Hiller | Director |
| Production | Lynn Stalmaster | Casting |
| Art | Alfred Sweeney | Production Design |
| Art | Marvin March | Set Decoration |
| Costume & Make-Up | Joan Phillips | Hairstylist |
| Costume & Make-Up | William Tuttle | Makeup Artist |
| Production | Jack B. Bernstein | Production Manager |
| Production | Peter V. Herald | Production Manager |
| Writing | Colin Higgins | Writer |
| Crew | Jeannie Epper | Stunt Double |
| Crew | Nick Dimitri | Stunts |
| Crew | Janet Brady | Stunts |
| Crew | John Daheim | Stunts |
| Crew | Mickey Gilbert | Stunt Coordinator |
| Crew | Bob Herron | Stunts |
| Crew | Alan Oliney | Stunts |
| Sound | Harold M. Etherington | Sound |
