演职人员
Dr. Jones
John Miljan
Dr. Bates / William Wilson
Boyd Crawford
Hartney Drew
Robert Middlemass
Dr. Jones' Nurse Hazel
Claire Du Brey
Mr. Greene (uncredited)
克莱姆·贝文斯
Jack Saunders (uncredited)
Victor Kilian
Mrs. Saunders (uncredited)
Ruth Robinson
Dr. Turner (as Fred Warren)
E. Alyn Warren
Miss Grant (uncredited)
Barbara Bedford
Dr. Jones' Viennese Associate (uncredited)
Frederick Vogeding
Cop (uncredited)
James Flavin
Patient (uncredited)
Naomi Childers