![The Steel Key](https://i0.wp.com/themoviedb.org/t/p/w185/j10CeK0U3tnh6dqKkhd9RyYJxA2.jpg)
The Steel Key
An adventurer investigates the theft of a formula for hardened steel, assisted by his girlfriend.
- ประเภท: หนังชีวิต, ระทึกขวัญ
- ประเทศ: United Kingdom
- ผู้อำนวยการ: Robert S. Baker
- นักแสดง: 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,