Description :
An adventurer investigates the theft of a formula for hardened steel, assisted by his girlfriend. The Steel Key
Genre :
Casting :
Terence Morgan , Joan Rice , Raymond Lovell , Dianne Foster , Colin Tapley , Esmond Knight , Mark Baker , Cyril Conway , Hector Ross , Arthur Lovegrove , Esma Cannon , Sam Kydd , Michael Balfour , Tom Gill , Hal Osmond ,