Bela Lugosi
Dr. Alex Zorka
Dorothy Arnold
Jean Drew
Robert Kent
Capt. Bob West
Edwin Stanley
Dr. Fred Mallory
Regis Toomey
Lt. Jim Daley
J
Jack C. Smith
Monk
Edward Van Sloan
Jarvis
Dora Clement
Ann Zorka
Anthony Averill
Rankin
H
Hugh Huntley
Perkins
M
Monte Vandergrift
Jarvis Goon
Frank Mayo
West's Boss
Jim Farley
Harbormaster
Eddie Acuff
Mac
E
Ed Wolff
The Robot
Roy Barcroft
Parker (uncredited)
Lee J. Cobb
Road Crew Foreman (uncredited)
Charles King
Car-Crash Cop (uncredited)