Cast (in credits order)
| James McEachin | ... | Harry Tenafly | |
| Rest of cast listed alphabetically: | |||
| Henry Beckman | ... | Reverend Matthews | |
| Joseph Campanella | ... | Dr. Poston | |
| Bob Crane | ... | Sid Pierce | |
| Dolores Dorn | ... | Marie | |
| John Doucette | ... | Wilson | |
| Clyde Kusatsu | ... | Airline Attendant | |
| Sal Mineo | ... | Jerry Farmer | |
Production Management
| Charles Clement | ... | post production operations head (uncredited) |
Music Department
| Henry Mancini | ... | composer: "Mystery Movie" theme |
Additional Crew
| Hank Simms | ... | announcer |