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