Calificación
Reparto

Bill Rogers
John Stone

Elizabeth Wilkinson
Helene Stone

William Kerwin
Dr. Hank Tyson (as Thomas Wood)

Lawrence Tobin
Detective Crane

Ted Schell
Lord Gold

Otto Schelssinger
Dr. Howard Helsing

Eleanor Vaill
Hester Avery

Herschell Gordon Lewis
The Limey Seaman / Baron Khron (voice) (as Seymour Sheldon)

Dolores Carlos
Sherri Morris