An adventurer investigates the theft of a formula for hardened steel, assisted by his girlfriend.
Cast
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
Cyril Conway
Sgt. Cove
Hector Ross
Beroni
Arthur Lovegrove
Gilchrist
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
Crew
Robert S. Baker
Director, Producer
John Gilling
Screenplay
Roy Chanslor
Story
Peter Taylor
Editor
Gerald Gibbs
Director of Photography
George Fowler
Assistant Director
Monty Berman
Producer
Dudley Lovell
Camera Operator
Gerry Fairbank
Makeup Artist
George Burgess
Sound Supervisor
Leonard Bulkley
Sound Recordist
Frank Cordell
Original Music Composer
Pamela Carlton
Continuity
Adrian D. Worker
Production Manager
Desmond Davis
Focus Puller
