The Brute Man

Fred Coby

Young Hal Moffet

Janelle Johnson Dolenz

Joan Bemis (as JaNelle Johnson)

Mary Ann Bricker

Mary Ann Obringer (uncredited)

Tristram Coffin

Police Lieutenant / voice of radio announcer (uncredited)

Joseph Crehan

Police Commissioner Salisbury (uncredited)

John Hamilton

Professor Cushman (uncredited)