Det. Cameron Quinn (12 episodes, 1996-1997)
Jimmy Murtha (12 episodes, 1996-1997)
Danny Rooney / Danny Riley (12 episodes, 1996-1997)
Mickey Kinnear (12 episodes, 1996-1997)
Elli Rooney (12 episodes, 1996-1997)
Theresa Conners (12 episodes, 1996-1997)
Capt. Geary (11 episodes, 1996-1997)
Det. Frank Collero (10 episodes, 1996-1997)
Michael 'Fivers' Dugan (10 episodes, 1996-1997)
Bobby (9 episodes, 1996-1997)
Mayor Christian Davidson (9 episodes, 1996-1997)
Bo (6 episodes, 1996-1997)
Carl Eiling (5 episodes, 1997)
Sammy Feathers (5 episodes, 1996-1997)
Fat Man (5 episodes, 1997)
Shirt (5 episodes, 1996-1997)
Glenn (4 episodes, 1996-1997)
Janie Rooney (5 episodes, 1996-1997)
Paddy (3 episodes, 1996-1997)
Leo / Leo Canetti / Leo, Union Hiring Boss / Union Hiring Boss (4 episodes, 1996-1997)
Quinn's Mother / Quinn's Ma (4 episodes, 1996-1997)
Andre 'Frenchie' Desormeaux (3 episodes, 1996-1997)
City Councilperson / Counselwoman Waylor / Patricia Wyler (3 episodes, 1997)
Kinnear / Mickey's Father (3 episodes, 1996-1997)
Forensic Scientist / Murphy (3 episodes, 1997)
Arnie / Arnie Kellogg (2 episodes, 1996-1997)
Dana Larkin (2 episodes, 1997)
McClay (2 episodes, 1997)
Father Mac (2 episodes, 1996-1997)
Barry / Barry McCain (2 episodes, 1997)
Alice Beatty (2 episodes, 1996-1997)
Marie / Marie Davidson (2 episodes)
Larraine Cahill (2 episodes)
Tommy O / Tommy O. (2 episodes, 1997)
Joan Priestly (1 episode, 1996)
Jack deLanae (1 episode)
(1 episode, 1997)
Mrs. Dog Face (1 episode, 1997)
Lonnie (1 episode, 1997)
Retired Police Commissioner (1 episode, 1997)
Frankie Balls (1 episode, 1997)
Costumier (1 episode, 1997)
Mark Haney (1 episode, 1996)
Dr. Gruber (1 episode, 1997)
Quami (1 episode, 1997)
(1 episode)
Tim (1 episode, 1996)
Officer Brian Leary (1 episode, 1997)
Quinn's Father (1 episode, 1996)
Desk Sergeant (1 episode, 1997)
Parole Officer (1 episode)
Ogden (1 episode, 1996)
Foreman (1 episode, 1996)
Man 'Elli's John' (1 episode, 1997)
Neville (1 episode, 1996)
Janitor at Bus Station (1 episode, 1996)
Breen (1 episode, 1996)
Peter Gotshal (1 episode, 1997)
Dog Face (1 episode, 1996)
Stephen (1 episode, 1996)
Finn (1 episode, 1997)
Sloan (1 episode)
Insurance Adjuster (1 episode, 1996)
Emily Beatty (1 episode, 1997)
Personnel Clerk (1 episode, 1997)
Forensics Technician (1 episode, 1997)
Scrap Man (1 episode, 1996)
John M. (1 episode, 1997)
Neighbor (1 episode, 1997)
Orderly (1 episode, 1997)
Manager (1 episode, 1996)
Limo Driver (1 episode, 1997)
Doctor (1 episode, 1997)
Waitress (1 episode)
Close-Cropped (1 episode, 1996)
Pit Boss (1 episode, 1996)
Young Quinn (1 episode, 1997)
Young Theresa (1 episode, 1997)
Orderly (1 episode)
Cop (1 episode, 1997)
Dancer (uncredited) (12 episodes, 1996-1997)
Police Officer (uncredited) (1 episode, 1996)
Pit Boss (uncredited) (1 episode, 1996)
Rolly (uncredited) (1 episode, 1996)
Property Room Officer (uncredited) (1 episode, 1996)
Mom on Playground (uncredited) (1 episode, 1996)
Cameraman (uncredited) (1 episode, 1996)
Detective (uncredited) (1 episode, 1996)
Old Locksmith (uncredited) (1 episode, 1996)
Rasta Street Dealer (uncredited) (1 episode, 1997)