Harold D. Schuster Director Richard Rober Father Callahan Actor Leonard Nimoy Paul "Monk" Baroni Actor Bruce Cabot Mr. Hellman Actor Allene Roberts Emily Brooks Actor Jack Larson Angelo Actor Mona Knox June Travers Actor Kathleen Freeman Maria Baroni Actor Budd Jaxon Knuckles Actor Archer MacDonald Pete Actor Joseph Mell Gino Baroni Actor Aben Kandel Screenwriter Dick Conway Writer Jack Broder Producer Herman Cohen Associate Producer Charles Van Enger Cinematographer Jason H. Bernie Film Editing Herschel Burke Gilbert Original Music James W. Sullivan Art Director Edward G. Boyle Set Decoration