This was Hillary Brooke's third of three different roles in the Basil Rathbone Sherlock Holmes films, after Sherlock Holmes and the Voice of Terror (1942) and Sherlock Holmes Faces Death (1943).
This marked Hillary Brooke's third of three distinct parts in the Basil Rathbone Sherlock Holmes movies, following Sherlock Holmes and the Voice of Terror (1942) and Sherlock Holmes Faces Death (1943).