Cast
Ralph Bellamy
Ellery Queen
Paul Hurst
Page
Dennis Moore
Dr. Dunn
Pierre Watkin
Crothers
Jean Fenwick
Alice Stack
Margaret Lindsay
Nikki Porter
Leon Ames
John Stack
George Zucco
Dr. Edwin L. Jannery
Tom Dugan
Lou Thomas
Charley Grapewin
Insp. Queen
Mona Barrie
Nurse Marian Tracy
Byron Foulger
Hospital Orderly (uncredited)
James Burke
Sgt. Velie
Blanche Yurka
Mrs. Augusta Stack
Charlotte Wynters
Miss Fox
Olin Howland
Dr. Williams