Cast
John Vosper
Dr. Elton Parkson (uncredited)
Morris Ankrum
Lt. Pat McKay
Paul Langton
Peter Selkin (uncredited)
William Tannen
McKay's Assistant (uncredited)
Jacqueline White
Jean Smith (uncredited)
Henry O'Neill
Dr. Everett Colner
Arthur Space
Burton Caighn Jr.
Paul Guilfoyle
Dudley Badger
Dorothy Adams
Mrs. Mary Abbott (uncredited)