Prof. Nathaniel Billings

Boris Karloff

Acting

Dr. Arthur Lorentz

Peter Lorre

Acting

Maxie

Maxie Rosenbloom

Acting

Winnie Slade

Jeff Donnell

Acting

Bill Layden

Larry Parks

Acting

Amelia Jones

Maude Eburne

Acting

J. Gilbert Brampton

Don Beddoe

Acting

Ebenezer

George McKay

Acting

Mr. Johnson

Eddie Laughton

Acting

Silvio Baciagalupi

Frank Puglia

Acting

Officer Fred

Frank Mitchell

Acting

Trooper Quincy

James C. Morton

Acting

Officer Joe Starrett

Frank Sully

Acting

Munitions Plant Road Guard

Patrick McVey

Acting

Alarm Clock Salesman

Robert Emmett Keane

Acting