Trivia

This film may have had a press showing in Britain in 1974, but it never opened commercially in British cinemas. It was unseen in the UK until a BBC television showing in 1976.

Trevor Howard was cast at short notice replacing an actor who withdrew his services.

Because of the similarity in their names, some sources have suggested that scriptwriter John Gould and director Jack Gold were one and the same person. However, they are two quite different people.

Alexander Allerson is dubbed by David de Keyser.