Cast
Naomi Childers
Patient (uncredited)
Robert Middlemass
Hartney Drew
Clem Bevans
Mr. Greene (uncredited)
E. Alyn Warren
Dr. Turner (as Fred Warren)
Frederick Vogeding
Dr. Jones' Viennese Associate (uncredited)
James Flavin
Cop (uncredited)
John Miljan
Dr. Jones
Claire Du Brey
Dr. Jones' Nurse Hazel
Victor Kilian
Jack Saunders (uncredited)
Barbara Bedford
Miss Grant (uncredited)