Rosencrantz & Guildenstern Are Dead (1991)
Two minor characters from the play "Hamlet" stumble around unaware of their scripted lives and unable to deviate from them.
Directed by: Tom Stoppard
Starring: Gary Oldman, Tim Roth, Richard Dreyfuss, Iain Glen, Ian Richardson, Donald Sumpter
Links: IMDb, Movie posters, Movie stills