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