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