"A doctor and nurse solve an operating-room murder."
Bruce Cabot
as Dr. Bob Clayton
Helen Mack
as Carole Dale
Joan Woodbury
as Lila Haines
Constance Worth
as Ann Stokes
Thomas E. Jackson
as Sergeant Macintosh Spencer (as Thomas Jackson)
Tom Dugan
as Hank Manley
Mabel Todd
as Dora Stanley
Roland Drew
as Dr. Norman Kennedy
Addison Richards
as Dr. Finley Morton
Frank Reicher
as Dr. Amos Thornton
Frank Puglia
as Tony
Don Porter
as Dr. Donald Fox
Dee Dodd
as Little Boy
Byron Foulger
as The Coroner
John Harmon
as Pete - the Fingerprint Man
Holmes Herbert
as Hospital Administrator
Otis Garrett
Director
Alex Gottlieb
Screenplay
James G. Edwards
Novel
Irving Starr
Producer
Harry Keller
Editor
Jack Otterson
Art Direction
John W. Boyle
Director of Photography
