A young doctor is determined to expose the killer when a surgeon is found stabbed to death in a hospital elevator.
Ricardo Cortez
as George Lambert
Kay Linaker
as Sally Keating
John Eldredge
as Dr. Harrigan
Mary Astor
as Lillian Cooper
Joseph Crehan
as Lieut. Lamb
Frank Reicher
as Dr. Coate
Anita Kerry
as Agnes Melady
Phillip Reed
as Dr. Simon
Robert Strange
as Peter Melady
Mary Treen
as Nurse Margaret Brody
Bill Elliott
as Kenneth Martin
Don Barclay
as Jackson - the Drunk
