Robert B. Williams was an American character actor from the 1940s through the 1970s. During his 37-year career, he appeared in over 150 feature films, as well as numerous film shorts, television films, and television shows. He did not break into the film business until he was in his 30s.

Cimarron is a 1960 American epic Western film based on the Edna Ferber novel Cimarron. The film stars Glenn Ford and Maria Schell and was directed by Anthony Mann and Charles Walters, though Walters is not credited onscreen. Ferber's novel was previously adapted as a film in 1931; that version won three Academy Awards.