 Walter HustonCaptain James "Jim" Fitzpatrick aka Fighting Fitz | Captain James "Jim" Fitzpatrick aka Fighting Fitz |
 Jean HarlowDaisy Stevens aka Mildred Beaumont | Daisy Stevens aka Mildred Beaumont |
 Wallace FordDetective Ed Fitzpatrick | Detective Ed Fitzpatrick |
 Jean HersholtSamuel "Sam" Belmonte | Samuel "Sam" Belmonte |
 Dorothy PetersonMary Fitzpatrick | Mary Fitzpatrick |
 Tully MarshallDefence Attorney Michaels | Defence Attorney Michaels |
 Emmett CorriganChief of Police "Burt" Burton | Chief of Police "Burt" Burton |
 Warner RichmondDetective Tom | Detective Tom |
| SSandy RothLieutenant John "Mac" Majkowski | Lieutenant John "Mac" Majkowski |
 J. Carrol NaishPietro Cholo | Pietro Cholo |
 John MiljanDistrict Attorney | District Attorney |
 Edward BrophyPolice Dispatcher (uncredited) | Police Dispatcher (uncredited) |
| BBetty Mae CraneHelen - Fitzpatrick Twin (uncredited) | Helen - Fitzpatrick Twin (uncredited) |
| BBeverly CraneMadison - Fitzpatrick Twin (uncredited) | Madison - Fitzpatrick Twin (uncredited) |
 Dorothy GrangerDrunken Girl Singing at Party (uncredited) | Drunken Girl Singing at Party (uncredited) |
 Frank LaRuePoliceman #3 on Telephone (uncredited) | Policeman #3 on Telephone (uncredited) |
 Nat PendletonAbe Gorman (uncredited) | Abe Gorman (uncredited) |
 Mickey RooneyMickey Fitzpatrick (uncredited) | Mickey Fitzpatrick (uncredited) |
 Clarence WilsonCoroner (uncredited) | Coroner (uncredited) |
 Constantine RomanoffIdentifying Witness (uncredited) | Identifying Witness (uncredited) |
 Robert Emmett O'ConnorBooking Policeman (uncredited) | Booking Policeman (uncredited) |
