despite a prolific film and television career, baker was principally known for his long-time professional relationship with monty berman, where they founded tempean films, churning out comedies, thrillers, and mysteries. some of their more popular work included "jack the ripper, the siege of sidney street, the hellfire club", and "the secret of monte carlo". later, he was to be involved with nearly every filmed usage of the leslie charteris creation, "the saint".