- Country: USA
- Genres: Action, Drama, Thriller
- Release: 1983-10-23
- Director: Sam Peckinpah
- Writers: Robert Ludlum , Ian Masters , Alan Sharp
- Language: English
- Stars: Rutger Hauer , John Hurt , Craig T. Nelson , Dennis Hopper
- Runtime: 103 min
- Awards: 2 wins
- AKA: Clave Omega (Argentina) , Omega, el último encuentro (Mexico) , Operasjon Omega (Norway) , Blodig weekend (Norway) , Den blodige weekend (Denmark) , Όστερμαν, το 48ωρο των κατασκόπων (Greece) , Уикендът на Остерман (Bulgaria) , Sam Peckinpahin Verinen viikonloppu (Finland) , Clave: omega (Spain) , The Osterman Weekend (United Kingdom) , Уик-энд Остермана , Osterman, to 48oro ton kataskopon (Greece) , Weekend Ostermana (Poland) , バイオレント・サタデー (Japan) , Ostermano savaitgalis (Lithuania) , Az Osterman-hétvége (Hungary) , The Osterman Weekend (Canada) , Ostermanov vikend (Serbia) , Weekendul Osterman (Romania) , Mission CIA (Philippines) , O Fim-de-Semana de Osterman (Portugal, Portuguese Republic) , 周末大行動 (Taiwan) , Osterman Weekend (France, French Republic) , Osterman Weekend (Italy) , Das Osterman-Weekend (Austria) , The Osterman Weekend , The Osterman Weekend (United States of America) , Das Osterman-Weekend , Blodiga weekend (Finland) , O Casal Osterman (Brazil) , Güçlü ve sert (Turkey)
- Plot: In this adaptation of the Robert Ludlum novel, the host of an investigative news program has been convinced by the C.I.A. that the friends and associates he's invited to weekend with him in the country are actually engaged in a nefarious conspiracy which threatens national security,
- IMDB:tt0086058
The Osterman Weekend Cast · · · ALL
Sam Peckinpah
Director
Rutger Hauer
John Tanner
John Hurt
Lawrence Fassett
Craig T. Nelson
Bernard Osterman
Dennis Hopper
Richard Tremayne
Chris Sarandon
(I)
Joseph Cardone
Meg Foster
Ali Tanner
Helen Shaver
Virginia Tremayne
Cassie Yates
Betty Cardone
Sandy McPeak
Walter Stennings
Burt Lancaster
(1913–1994)
Maxwell Danforth
Cheryl Carter
Marcia Heller
John Bryson
Honeymoon Groom
Anne Haney
Honeymoon Bride
Kristen Peckinpah
Tremayne's Secretary
Jan Tríska
Andrei Mikalovich
Hansford Rowe
General Keever
Merete Van Kamp
Zuna Brickman
Bruce A. Block
Floor Manager
Buddy Joe Hooker
Hooker
Tim Thomerson
Motorcycle Cop
Deborah Chiaramonte
Nurse
Walter Kelley
Agent #1
Eddy Donno
Agent #3
Den Surles
Assailant
Janeen Davis
Stage Manager #1