The Invisible Monster - 4.4★

Richard Webb - Lane Carson

Aline Towne - Carol Richards

Stanley Price - The Phantom Ruler

Lane Bradford - Burton

John Crawford - Harris

George Meeker - "Harry Long"

Edward Keane - Warren Madison

Dale Van Sickel - Otto Wagner, aka "Frank Martin"

John Hamilton - "Henry Miller"

Roy Gordon - Mr. Moore

Harold Goodwin - Kirk - Body-Shop Henchman [Ch.11] (uncredited)

Marshall Reed - Roadblock Cop [Ch. 1, 7]

David Sharpe - Garage Watchman [Ch. 3] / Armored Car Guard [Ch. 11]

George Magrill - Henchman Sam [Ch. 4-5]

Guy Teague - Decoy & Dumptruck Henchman [Ch. 5, 7]