Peter Yates Director Dustin Hoffman John Actor Mia Farrow Mary Actor Michael Tolan James Actor Sunny Griffin Ruth Actor Stanley Beck Stanley Actor Tyne Daly Hilary Actor Alix Elias Jane Actor Julie Garfield Fran Actor Marvin Lichterman Dean Actor Marian Mercer Mags Elliot Actor Susan Taylor Minnie Actor Olympia Dukakis John's Mother Actor Cleavon Little The Film Director Actor Marilyn Chris The Film Director's Wife Actor Kristoffer Tabori The Boy Scout Actor Ben Kadish Producer John Mortimer Screenwriter Quincy Jones Original Music Gayne Rescher Cinematographer Frank P. Keller Film Editing John Robert Lloyd Production Design Philip Smith Set Decoration Anthea Sylbert Costume Design