Boris Karloff
Prof. Nathaniel Billings
Acting
Peter Lorre
Dr. Arthur Lorentz
Acting
Maxie Rosenbloom
Maxie
Acting
Jeff Donnell
Winnie Slade
Acting
Larry Parks
Bill Layden
Acting
Maude Eburne
Amelia Jones
Acting
Don Beddoe
J. Gilbert Brampton
Acting
George McKay
Ebenezer
Acting
Eddie Laughton
Mr. Johnson
Acting
Frank Puglia
Silvio Baciagalupi
Acting
Frank Mitchell
Officer Fred
Acting
James C. Morton
Trooper Quincy
Acting
Frank Sully
Officer Joe Starrett
Acting
Patrick McVey
Munitions Plant Road Guard
Acting
Robert Emmett Keane
Alarm Clock Salesman
Acting