The Steel Key (6.2)
Movie · 1953 · 1 h 09 min · Drama, Thriller
An adventurer investigates the theft of a formula for hardened steel, assisted by his girlfriend.
Directed by: Robert S. Baker
Starring Terence Morgan, Joan Rice, Raymond Lovell, Dianne Foster, Colin Tapley, Esmond Knight, Mark Baker, Cyril Conway, Hector Ross, Arthur Lovegrove
We don't know where to watch it in the US.