Discover
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
