Kadro (12)
Hugh O'BrianHugh Lombard
Shirley EatonAnn Clyde
FabianMike Raven
Leo GennGeneral Mandrake
Wilfrid Hyde-WhiteJudge Arthur Cannon
Dennis PriceDr. Edward Armstrong
Stanley HollowayDet. William Henry Blore
Daliah LaviIlona Bergen
Marianne HoppeElsa Grohmann
Mario AdorfJoseph Grohmann
Bill MitchellNarrator (voice)
Christopher LeeMr. U.N. Owen (voice)