Lynne Overman
— Agent Pete Griswold
Patricia Morison
— Dorothy Bronson
J. Carrol Naish
— Freddie 'Gunner' Martin
William Henry
— Agent Dan Waldron
Helen Twelvetrees
— Helen Griswold
William Frawley
— Alec Inglis
Judith Barrett
— Blase Blonde
William Collier Sr.
— Burt Nast
May Boley
— Mme. Thompson
Dennis Morgan
— Mike Flagler
Virginia Vale
— Flo
John Hartley
— Joe Butler
Janet Waldo
— Ruth Waldron
Richard Denning
— Powder, Henchman
Leona Roberts
— Ma Bronson
Phil Warren
— Curly
John Eldredge
— Chief Agent Gordon Kingsley
Richard Carle
— Zeke Bronson
Roy Gordon
— John Nast
John Hart
— Male Stenographer
Lillian Yarbo
— Beauty Parlor Maid
Eddie Acuff
— Collins (uncredited)
Stanley Price
— Nicky Ellis (uncredited)
Theodore von Eltz
— Attorney Jenson (uncredited)
Raymond Hatton
— Hadley (uncredited)
Sarah Edwards
— Beauty Shop Proprietor (uncredited)
Dick Winslow
— Page (uncredited)
John Shelton
— Photographer (uncredited)
Pat O'Malley
— Deputy Driver (uncredited)
James Pierce
— G-Man (uncredited)