An adventurer investigates the theft of a formula for hardened steel, assisted by his girlfriend.
as Johnny O'Flynn
as Doreen Wilson
as Inspector Forsythe
as Sylvia Newman
as Dr. Crabtree
as Prof. Newman
as Dr. Metcalfe
as Sgt. Cove
as Beroni
as Gilchrist
as Patient in Doctor's Waiting Room
as Chauffeur
as 'The Mae McCleod' Captain
as Hotel Receptionist
as Taxi Driver
