Ian Wolfe

as Mr. D'Amato

as Prof. Brauer

as Morley

as Mr. Partlow

as Commandant Causeway

as Mr. Bleiffer

as Justice of the Peace

as Mr. Loomis

as Father MacHugh

as PTO

as Dr. Edwards

as Pierre

as Gruber

as O'Hara

as Burton White

as Carter

as Dr. Minton

as Fell

as Tewkesbury

as Mr. Bagley

as Waldo Daggett

as Malue

as Presiding Judge (uncredited)

as Rev. Nash

as Sheriff Carrey

as Uncle Adam

as Hawkins

as Charlie, a Fence (uncredited)

as Homer Wallace

as Hobson, the Butler

as Smith

as Dr. Poulin (uncredited)

as Commissioner of Scotland Yard

as Sidney Long

as Lord Mortimer

as Norton

as Dr. Bellows

as Frederick

as Lord Mayor Herman Brandon R. Clive

as Prof. Hopkins

as Amos Hodder

as Drake

as Eustace L. Harley (uncredited)

as Thomas, the butler (uncredited)

as Robert

as Mayor

as Conrad Stadt

as Stiles

as Poole

as Charles Wentworth

as Schmidt

as Judge

as The Priest

as Apothecary

as Henry Orlac, Stephen Orlac's Stepfather

as Geoffrey 'Pinky' Burns

as Harry Bevan