How to Make a Monster - 5.6★

Robert H. Harris - Pete Dumond

Paul Brinegar - Rivero

Gary Conway - Tony Mantell (Teenage Frankenstein)

Gary Clarke - Larry Drake (Teenage Werewolf)

Malcolm Atterbury - Security Guard Richards

Dennis Cross - Security Guard Monahan

Morris Ankrum - Police Capt. Hancock

Walter Reed - Detective Thompson

John Ashley - Himself

Eddie Marr - John Nixon

Robert Shayne - Gary Droz

Rod Dana - Lab Technician

Thomas Browne Henry - Martin Brace - director of 'Werewolf Meets Frankenstein'

John Phillips - Detective Jones

Paulene Myers - Millie - the Pedestrian