Best movies that are oscar winners or nominees in writing (story and screenplay--based on material not previously published or produced) category

Actors : Peter Fonda, Dennis Hopper, Jack Nicholson, Antonio Mendoza,
Directors : Dennis Hopper,

Two counterculture bikers travel from Los Angeles to New Orleans in search of America.

Actors : Robert Redford, Strother Martin, Paul Newman, Katharine Ross,
Directors : George Roy Hill,

Two Western bank/train robbers flee to Bolivia when the law gets too close.

Actors : Robert Ryan, William Holden, Ernest Borgnine, Edmond O'Brien,
Directors : Sam Peckinpah,

An aging group of outlaws look for one last big score as the "traditional" American West is disappearing around them.

Actors : Dyan Cannon, Elliott Gould, Robert Culp, Natalie Wood,
Directors : Paul Mazursky,

Documentary film-maker Bob Sanders and his wife Carol attend a group therapy session that serves as the backdrop for the opening scenes of the film. Returning to their Los Angeles home, the...