An adventurer investigates the theft of a formula for hardened steel, assisted by his girlfriend.
Director
Robert S. Baker
Terence Morgan
Johnny O'Flynn
Joan Rice
Doreen Wilson
Raymond Lovell
Inspector Forsythe
Dianne Foster
Sylvia Newman
Colin Tapley
Dr. Crabtree
Esmond Knight
Prof. Newman
Mark Baker
Dr. Metcalfe
Hector Ross
Beroni
Esma Cannon
Patient in Doctor's Waiting Room
Sam Kydd
Chauffeur
Michael Balfour
'The Mae McCleod' Captain
Tom Gill
Hotel Receptionist
Hal Osmond
Taxi Driver
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