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
Stanley Andrews
Earl Quillan (Uncredited)
Don Brodie
Taxi Driver (Uncredited)
Ralph Byrd
Cop (Uncredited)
Harry Depp
Julius Scott (Uncredited)
Robert Fiske
Aviator (Uncredited)
Harry Harvey
Bennett (Uncredited)
Eddie Kane
Venuti (Uncredited)
Edward McWade
Walter Emerson (Uncredited)
Edward Peil Sr.
Peters (Uncredited)
Albert J. Smith
Mike (Uncredited)
George Webb
Coroner (Uncredited)
Norman Willis
Joel Balerino (Uncredited)
William Worthington
John J. Foster (Uncredited)
Raymond Lawrence
Harkness
Frank Bull
Radio Announcer (Uncredited)
Jack Hatfield
Reporter (Uncredited)
Ted Oliver
Cop (Uncredited)
Lee Prather
Customs Officer (Uncredited)
Francis Sayles
Waiter (Uncredited)
