Ellery Queen and the Murder Ring

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.

• Eric TaylorScreenplay
• Gertrude PurcellScreenplay
• James P. HoganDirector

• Ralph BellamyEllery Queen
• Margaret LindsayNikki Porter
• Charley GrapewinInsp. Queen
• Mona BarrieNurse Marian Tracy
• Paul HurstPage
• James BurkeSgt. Velie
• Leon AmesJohn Stack
• George ZuccoDr. Edwin L. Jannery
• Blanche YurkaMrs. Augusta Stack
• Charlotte WyntersMiss Fox
• Tom DuganLou Thomas
• Olin HowlandDr. Williams