as Ritter

as Dr. Ames (uncredited)

as Bentley

as Tom Hardwicke

as Shields

as Dr. Martin

as Mr. Nelson

as Hubert Kingery (Uncredited)

as Col. Whitcomb

as Mr. Lane

as Captain Donald McDonald

as Sir George, Medical Council Prosecutor

as Sir Francis

as David Dow Harriman

as Commissioner

as Valdez

as General Ross