Although Stanley Baker had played major supporting roles in movies to great acclaim for several years, this was the first time he played the leading role in a movie.
David McCallum (Jimmy Yately) met his first wife, Jill Ireland (Jill), during filming in the autumn of 1956.
Hawletts' Yard, contrary to some reports on the internet, was built on the Pinewood Studios back lot, just to the north of "H" Stage. This is approximately where the massive "007" stage now stands.
About the time of filming, Sean Connery was staying with Stanley Baker and his family. Connery named Baker as one of his original acting idols.
Tom says that he is from a place not far from Cardiff, Wales called Blaen Llechau (which is a small village set on a mountain in South Wales). In actual fact, Stanley Baker was from Ferndale, which is the village that Blaen Llechau looks down upon.