The host of an investigative news show is convinced by the CIA that the friends he has invited to a weekend in the country are engaged in a conspiracy that threatens national security.
You can now watch The Osterman Weekend online on the following streaming providers in the United States.
| Writing | Alan Sharp | Screenplay |
| Editing | Edward M. Abroms | Editor |
| Editing | David Rawlins | Editor |
| Production | Peter S. Davis | Producer |
| Writing | Robert Ludlum | Novel |
| Production | Larry Jones | Executive Producer |
| Camera | John Coquillon | Director of Photography |
| Sound | Lalo Schifrin | Original Music Composer |
| Production | Guy Collins | Executive Producer |
| Directing | Sam Peckinpah | Director |
| Writing | Ian Masters | Adaptation |
| Production | William N. Panzer | Producer |
| Production | Marc W. Zavat | Executive Producer |
| Production | Michael T. Murphy | Executive Producer |
| Art | Keith Hein | Set Decoration |
| Crew | Tommy J. Huff | Stunt Coordinator |
| Production | Michael McLean | Casting |
| Sound | Richard Bryce Goodman | Sound Mixer |
| Camera | Roger Sandler | Still Photographer |
| Directing | Susan Malerstein | Script Supervisor |
| Production | Don Guest | Associate Producer |
| Production | James Thompson | Location Manager |
| Production | Karen Altman Morgenstern | Production Coordinator |
| Production | Richard Davis, Jr. | Location Manager |
| Production | Don Guest | Production Manager |
| Production | E.C. Monell | Associate Producer |
| Sound | David Franco | Music Supervisor |
| Production | Judith Pritchard | Production Coordinator |
| Sound | Anthony Magro | Sound Editor |
| Sound | James Troutman | Sound Supervisor |
| Art | Robb Wilson King | Art Direction |
| Costume & Make-Up | Paul Abascal | Hairstylist |
| Costume & Make-Up | Shirley Padgett | Hairstylist |
| Costume & Make-Up | Robert Sidell | Makeup Artist |
| Art | Nick F. Caprarelli | Assistant Property Master |
| Crew | Steve M. Davison | Stunts |
| Crew | Janet Brady | Stunts |
| Crew | Scott Wilder | Stunts |
| Crew | Norman Howell | Stunts |
