The younger brother of an assassinated US President is led down a rabbit hole of conspiracies and dead ends after learning of a man claiming to be the real shooter.
| Writing | William Richert | Writer |
| Directing | William Richert | Director |
| Writing | Richard Condon | Novel |
| Camera | Vilmos Zsigmond | Director of Photography |
| Costume & Make-Up | Del Acevedo | Makeup Artist |
| Editing | David Bretherton | Editor |
| Production | Ross Brown | Casting |
| Costume & Make-Up | Kathryn Blondell | Hairstylist |
| Art | Robert F. Boyle | Production Design |
| Art | Arthur Jeph Parker | Set Decoration |
| Production | John H. Starke | Associate Producer |
| Production | Robert Sterling | Executive Producer |
| Production | Bill Venegas | Production Manager |
| Production | Hank McCann | Casting |
| Art | Norman Newberry | Art Direction |
| Production | Ira Loonstein | Production Manager |
| Sound | Maurice Jarre | Music |
| Production | Fred C. Caruso | Producer |
| Production | Daniel H. Blatt | Producer |
| Costume & Make-Up | Robert De Mora | Costume Design |
| Production | Leonard J. Goldberg | Executive Producer |
