Ellery Queen and the Murder Ring (1941)

The benefactor of the Stack Memorial Hospital dies after an operation. Ellery Queen investigates when it is revealed the cause of death was murder by strangulation.

Directed by: James P. Hogan

Starring: Ralph Bellamy, Margaret Lindsay, Charley Grapewin, Mona Barrie, Paul Hurst, James Burke

Links: Columbia Pictures, IMDb, Movie posters, Movie stills