"A law student poses as a fight promoter to catch a notorious gangster."
Robert Young
as Henry 'Hank' Sherman
Florence Rice
as Margaret 'Peg' Gattle
Joseph Calleia
as Joe Emerald
Lewis Stone
as Doctor Simon 'Doc' Gattle
Nat Pendleton
as 'Steamer' Krupp
Harvey Stephens
as District Attorney Paul Scott
Samuel S. Hinds
as Eli Decker
Edward Pawley
as 'Dutch' McTurck
John Wray
as Lang, a Gangster
Cy Kendall
as Simmons
Leslie Fenton
as Steve Sherman
Robert Gleckler
as Hinkle, a Gangster
Norman Ainsley
as Bergen (uncredited)
Ernie Alexander
as Man Calling Hank to Phone (uncredited)
King Baggot
as Accident Witness (uncredited)
Jack Baxley
as Ring Announcer (uncredited)
Sidney Bracey
as Waiter (uncredited)
Ed Brady
as Mike (uncredited)
Don Brodie
as Emerald's Messenger (uncredited)
George Chandler
as Lunch Stand Man (uncredited)
Jack Daley
as Policeman (uncredited)
Wallace Gregory
as Gangster (uncredited)
George Guhl
as 2nd Prison Gate Guard (uncredited)
Sherry Hall
as 2nd Fight Announcer (uncredited)
Lillian Harmer
as Mrs. Hirsch (uncredited)
Eddie Hart
as Jake, a Gangster (uncredited)
Al Hill
as Morris, a Gangster (uncredited)
Robert Homans
as 1st Policeman (uncredited)
Charles Keppen
as 1st Fight Announcer (uncredited)
Guy Kingsford
Tom London
George Magrill
as Steamer's Trainer (uncredited)
Tom Mahoney
as 2nd Policeman (uncredited)
Frank Marlowe
as Busy Taxi Driver (uncredited)
Larry McGrath
as Referee (uncredited)
Pat McKee
as Strongarm Man (uncredited)
King Mojave
as Gibbons, a Gangster (uncredited)
Roger Moore
as Reporter (uncredited)
Louis Natheaux
Dennis O'Keefe
as Bandleader (uncredited)
William Orlamond
as Mr. Kremel (uncredited)
Anthony Quinn
George Regas
as Greek, a Gangster (uncredited)
Jeffrey Sayre
as Hood at Table (uncredited)
Charles Sherlock
as Gangster at Nightclub (uncredited)
Lee Shumway
as Railroad Yard Cop (uncredited)
Harry Tyler
as Nick (uncredited)
Monte Vandergrift
as Friendly Prison Guard (uncredited)
Harry Wilson
Duke York
as Al, a Gangster (uncredited)
Tom Andre
Assistant Director
Fredric Hope
Art Direction
Dolly Tree
Costume Designer
Frank E. Hull
Editor
Lester White
Director of Photography
Bill Brockway
Sound
Lucien Hubbard
Producer
Eddie Imazu
Assistant Art Director
Douglas Shearer
Recording Supervision
Edward Ward
Music Score Producer
Edwin B. Willis
Edwin L. Marin
Director
Wells Root
Writer
Richard Wormser
Story
