Joseph Losey Director Pat O'Brien Gramp Actor Dean Stockwell Peter Actor Robert Ryan Dr. Evans Actor Barbara Hale Miss Brand Actor Richard Lyon Michael Actor Walter Catlett The King Actor Samuel S. Hinds Dr. Knudson Actor Regis Toomey Mr. Davis Actor Charles Meredith Mr. Piper Actor David Clarke Barber Actor Billy Sheffield Red Actor Johnny Calkins Danny Actor Teddy Infuhr Teddy Actor Dwayne Hickman Joey Actor Eilene Janssen Peggy Actor Charles Arnt Mr. Hammond Actor Ben Barzman Screenwriter Alfred Lewis Levitt Screenwriter Stephen Ames Producer Dore Schary Executive Producer George Barnes Cinematographer Frank Doyle Film Editing Leigh Harline Original Music Ralph Berger Art Director Albert D'Agostino Art Director Darrell Silvera Set Decoration W. L. Stevens Set Decoration Adele Balkan Costume Design Gordon Bau Makeup Artist