as Sgt. Larsen
as Emile Constant
as Dr. Judson
as Doctor
as Prof. Kanter
as Flight Surgeon (uncredited)
as Sgt. John Ervine
as Judge Blaisdell
as
as Police Lt. Boyle
as Dr. Barnes
as Second Policeman (uncredited)
as Dr. Croyden
as Robert Fenton
as Russell
