Osterman-Weekend was released in the year 1983。Osterman-Weekend is also called as The Osterman Weekend, Verinen viikonloppu, Sam Peckinpahs Blodiga weekend, Operasjon Omega, Mission CIA, Clave: omega, Casal Osterman。

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 in this adaptation of the Robert Ludlum novel.

Osterman-Weekend actors and actresses include Burt Lancaster, Craig T. Nelson, Dennis Hopper, Hansford Rowe, Helen Shaver, John Hurt, Rutger Hauer, Tim Thomerson。