Det. Daniel Madigan
Commissioner Anthony X. Russell
Julia Madigan
Det. Rocco Bonaro
Chief Inspector Charles Kane
Tricia Bentley
Midget Castiglione
Barney Benesch
Hughie
Jonesy
Capt. Ben Williams
Dr. Taylor
Chief of Detectives Hap Lynch
Mickey Dunn
Lt. James Price
Asst. Chief Inspector Earl Griffin
Esther Newman
Ptl. Philip Downes
Marvin
Det. Tom Gavin
Ptl. Sam Woodley
Det. O'Mara
Subway Dispatcher
Stella
Det. O'Brien
Buster
Rita Bonaro
Policewoman Doris Hawkins
Prisoner
Lt. Strong
Rosita
Detective Rodriguez
Benesh Look-Alike in Saloon
Man
Man
Man
Man
Ambulance Driver
Man
Man
Hotel Clerk
Man at Precinct
Man
Doreen
Woman
Woman
Woman
Woman
Mrs. Hewitt
Woman
Woman
Kowalski
Patrolman Grimes
Captain
Dunne (uncredited)
Party Guest (uncredited)