Eduardo Ciannelli
— Dr. Van Glock
Onslow Stevens
— Dr. Jim Borden
June Vincent
— Gwen Runstrom
Ralph Morgan
— Dr. Lester Cavigny
Janis Wilson
— Nora Cavigny
John Baragrey
— Dr. John Reade
Richard Lane
— Insp. Fenwick
Philip Ahn
— Ah Wong - Restaurant Owner
Lotte Stein
— Nurse Maidie Halpern
Ralph Peters
— Workman
David Hoffman
— Andre Dussaud
John George
— Waiter
Stuart Holmes
— Medical Examiner