William Gargan
Perry Travis
Marguerite Churchill
Lois Allen
Gene Morgan
Brainy
John Gallaudet
Billy Howard (Uncredited)
Romaine Callender
E.J. Easton
Egon Brecher
Sir Conrad Stava
Drue Leyton
Mrs. Foster
Wade Boteler
Conroy
Dwight Frye
McBride
Raymond Lawrence
Harkness
Stanley Andrews
Earl Quillan (Uncredited)
Don Brodie
Taxi Driver (Uncredited)
Frank Bull
Radio Announcer (Uncredited)
Ralph Byrd
Cop (Uncredited)
