On February 9, 1973, Williams made a joke appearance on "The Tonight Show Starring Johnny Carson" in which he sang a song in full make-up as Virgil. He also played Migelito Loveless, Jr. in "The Wild Wild West Revisited" (1979), a reunion movie featuring the original cast of the television series "The Wild Wild West", and played himself, singing a song to Felix Unger's daughter Edna, on the television series "The Odd Couple" in 1974. He made his film debut as Gunther Fry in the satire "The Loved One" (1965).