Victor McLaglen ... Marty Malone
William Gargan ... Mike O'Mara
Paul Kelly ... Jerry Donovan
Beatrice Roberts ... Helen McCoy
Frank Jenks ... Sam
John Gallaudet ... Joe O'Mara
Samuel S. Hinds ... Justice Harrison
Joe Downing ... Frank Diamond (as Joseph Downing)
Arthur Hoyt ... Webster
Scotty Beckett ... Mike O'Mara as a Child (uncredited)
Stanley Blystone ... Policeman with Doorman (uncredited)
Tommy Bupp ... Jerry Donovan as a Child (uncredited)
Neal Burns ... Emergency Squad Man (uncredited)
Howard Christie ... Emergency Squad Man (uncredited)
Drew Demorest ... Cab Driver (uncredited)
George DeNormand ... Diamond's Henchman (uncredited)
Mike Donovan ... Policeman at Headquarters (uncredited)
Bill Elliott ... James Brewster (uncredited)
Allen Fox ... Emergency Squad Man (uncredited)
Otto Fries ... Detective (uncredited)
Jack Gardner ... Cab Driver (uncredited)
Edward Gargan ... Police Sgt. Enders (uncredited)
Eddie Hall ... Pedestrian in Front of Cigarette Club (uncredited)
Oscar 'Dutch' Hendrian ... Workman (uncredited)
Robert Homans ... Cop at Circle House (uncredited)
Hugh Huntley ... Louis (uncredited)
Dickie Jones ... Joe O'Mara as a Child (uncredited)
Harvey Karels ... Adagio Team Member (uncredited)
Jack Kenney ... Detective (uncredited)
Carl Knowles ... Cab Driver (uncredited)
Mike Lally ... Diamond's Henchman (uncredited)
Larry McGrath ... Cop (uncredited)
Charles McMurphy ... Police Captain (uncredited)
Charles Murphy ... Brown (uncredited)
Spec O'Donnell ... Kid (uncredited)
David Oliver ... Hank Andrews (uncredited)
Lee Phelps ... Cop at Warehouse (uncredited)
Juanita Quigley ... Helen McCoy as a Child (uncredited)
Fred Rapport ... Emergency Squad Man (uncredited)
Mickey Rentschler ... Marty Malone as a Child (uncredited)
Jolane Reynolds ... Adagio Team Member (uncredited)
Addison Richards ... Police Insp. Bresnahan (uncredited)
Dick Rush ... Plainclothesman (uncredited)
Tiny Sandford ... Cigarette Club Doorman (uncredited)
Ralph Sanford ... Policeman at Warehouse (uncredited)
Charles Sherlock ... Detective (uncredited)
Charles Sullivan ... Diamond's Henchman (uncredited)
William Tannen ... Master of Ceremonies (uncredited)
Charles Teske ... Adagio Team Member (uncredited)
Jerry Tucker ... Child (uncredited)
Minerva Urecal ... Maria - Jerry's Housekeeper (uncredited)
Beryl Wallace ... Hat Check Girl (uncredited)
Norman Willis ... Ed - Diamond's Henchman (uncredited)
Si Wills ... Si (Butler) (uncredited)
Florence Wix ... Night Club Patron (uncredited)
Arthur Yeoman ... Workman (uncredited)