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.
as Ellery Queen
as Nikki Porter
as Insp. Queen
as Nurse Marian Tracy
as Page
as Sgt. Velie
as John Stack
as Dr. Edwin L. Jannery
as Mrs. Augusta Stack
as Miss Fox
as Lou Thomas
as Dr. Williams
as Dr. Dunn
as Alice Stack
as Crothers
as Hospital Orderly (uncredited)
