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