Dr. Jones
Dr. Bates / William Wilson
Hartney Drew
Dr. Jones' Nurse Hazel
Mr. Greene (uncredited)
Jack Saunders (uncredited)
Mrs. Saunders (uncredited)
Dr. Turner (as Fred Warren)
Miss Grant (uncredited)
Dr. Jones' Viennese Associate (uncredited)
Cop (uncredited)
Patient (uncredited)
