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