Frank Perry Director Cliff Robertson Lee Tucker Actor Joel Grey Franklin WIlls Actor Dorothy Tristan Janet Tucker Actor Peter Masterson Willie Younger Actor Elizabeth Wilson Dr. Anna Willson Actor George Voskovec Dr. Nicholas Holnar Actor Ron Weyand Dr. Philip Fusco Actor Lane Smith Ted Ronan Actor Joe Ponazecki Dan Lloyd Actor Christopher Allport Richie Tom Keating Actor Richard Venture Man in Motel Actor Dianne Hull Maggie Dawson Actor Gil Gerard Donald Forbes Actor Alice Drummond Mrs. Dawson Actor Richard McKenzie Sam Gallagher Actor Nicholas Pryor Paul Kearney Actor Josef Sommer Pete Russell Actor Penelope Milford Evelyn Moore Actor Howard B. Jaffe Producer David Zelag Goodman Screenwriter Adam Holender Cinematographer Sidney Katz Film Editing Lalo Schifrin Original Music Joel Schiller Production Design Hubert Oates Set Decoration Ruth Morley Costume Design