Peter Masterson Director Roy Scheider Mike Seaver Actor Karen Young Roxy Actor Richard Bradford Nelson Actor Paul Gleason Broussard Actor Carlin Glynn Alma Actor Lane Smith Witty Actor Anthony Palmer Mendoza Actor, Screenwriter Alex Morris Gries Actor Kevin Cooney Actor Spencer Eastman Screenwriter George Litto Producer Moshe Diamant Executive Producer Eduard Sarlui Executive Producer Fred Murphy Cinematographer Robert Barrere Film Editing King Wilder Film Editing Pino Donaggio Original Music Neil Spisak Production Design Jeanette Scott Set Decoration Vicki Sanchez Costume Design Ed Johnston Casting Ed Mitchell Casting