• 
  George Bloomfield

  regizor

• 
  Sharon Elizabeth Doyle

  scenarist

• 
  Penelope Ann Miller

  Lucy Valdon (2 episodes, 2002)
• 
  Malin Akerman

  Server Girl #11 (1 episode, 2002)
• 
  Timothy Hutton

  Archie Goodwin
• 
  Maury Chaykin

  Nero Wolfe
• 
  Colin Fox

  Fritz Brenner
• 
  Giancarlo Esposito

  Theodore Kelefy

• 
  R.D. Reid

  Sergeant Purley Stebbins (22 episodes, 2001-2002)
• 
  Ken Kramer

  Dr. Vollmer  (6 episodes, 2001-2002)
• 
  Debra Monk

  Mrs. Boone  (8 episodes, 2001-2002)
• 
  Bruce McFee

  Warder  (3 episodes, 2002)
• 
  Francie Swift

  Margot Dickey  (6 episodes, 2001-2002)
• 
  Nancy Beatty

  Mrs. Irwin  (3 episodes, 2001)
• 
  Peter Mensah

  Arthur  (3 episodes, 2001)

• 
  Matthew Edison

  Ed Erskine Jr.  (4 episodes, 2002)
• 
  Trent McMullen

  Orrie Cather (13 episodes, 2001-2002)
• 
  Carlo Rota

  Barry Fleming  (4 episodes, 2002)
• 
  Gary Reineke

  Oliver Pitkin  (5 episodes, 2001-2002)
• 
  Bill MacDonald

  Lieutenant Rowcliff  (8 episodes, 2001-2002)
• 
  Jody Racicot

  Apartment Night-Man  (3 episodes, 2001)
• 
  Griffin Dunne

  Nicolas Losseff (2 episodes, 2002)
• 
  Carrie Fisher

  Ellen Tenzer (2 episodes, 2002)
• 
  Conrad Dunn

  Saul Panzer (21 episodes, 2001-2002)
• 
  James Davies

  Garage Attendant (2 episodes, 2002)
• 
  Julian Richings

  Alger Kates  (6 episodes, 2002)
• 
  James Daris

  Garage Attendant (2 episodes, 2002)
• 
  Ron Rifkin

  Attorney Perry Helmar  (3 episodes, 2001)
• 
  James Tolkan

  Avery Ballou  (21 episodes, 2001-2002)
• 
  Lisa Dawnell James

  Lydia (1 episode, 2001)
• 
  Rebecca Jenkins

  Robina Keane (1 episode, 2002)
• 
  Steve Cumyn

  Cecil Grantham  (15 episodes, 2001-2002)
• 
  Marty Moreau

  Cop  (7 episodes, 2001-2002)
• 
  Lindy Booth

  Beulah Page  (2 episodes, 2002)
• 
  Troy Skog

  Ken Fader (1 episode, 2002)
• 
  Nicholas Campbell

  Andy Krasicki  (2 episodes, 2001)
• 
  Saul Rubinek

  Lon Cohen (10 episodes, 2001-2002)
• 
  Fulvio Cecere

  Fred Durkin (12 episodes, 2001-2002)
• 
  Gillian Leigh

  Little Indian #2 (2 episodes, 2002)
• 
  George Plimpton

  John Barrett  (10 episodes, 2001-2002)
• 
  Gretchen Egolf

  Marian Hinckley (1 episode, 2001)
• 
  Elizabeth Saunders

  Madam #1 (1 episode, 2001)
• 
  Philip Craig

  Gene Orwin (1 episode, 2001)
• 
  Richard Waugh

  Director #1  (13 episodes, 2001-2002)
• 
  Doug Lennox

  Inspector Ash  (4 episodes, 2002)
• 
  Matthew Sharp

  Ashley Jarvis (1 episode, 2001)
• 
  Robert Bockstael

  Agent Stahl  (20 episodes, 2001-2002)
• 
  Joe Pingue

  Archie 2 (1 episode, 2002)
• 
  Larry Drake

  Fake Wolfe (1 episode, 2002)
• 
  Emily Hampshire

  Carol (1 episode, 2002)
• 
  Beau Starr

  Judge Corbett  (4 episodes, 2001-2002)
• 
  Marian Seldes

  Mrs. Louise Grantham Robilotti  (3 episodes, 2001)
• 
  Michael Rhoades

  Beverly Kent  (3 episodes, 2001)
• 
  Kristin Booth

  Dini Lauer (1 episode, 2001)
• 
  David Hemblen

  Lewis Hewitt (4 episodes, 2001-2002)
• 
  Dominic Cuzzocrea

  Vincent Pyle (1 episode, 2002)
• 
  Lucy Filippone

  Mrs. Perez (2 episodes, 2002)
• 
  Hrant Alianak

  Nat Driscoll  (9 episodes, 2001-2002)
• 
  Bill Smitrovich

  Inspector Cramer (25 episodes, 2001-2002)
• 
  Joe Flaherty

  Dr. Vollmer (2 episodes, 2002)
• 
  Cynthia Watros

  Phoebe Gunther (2 episodes, 2002)
• 
  Angela Maiorano

  Archie 2's Girl (1 episode, 2002)
• 
  Boyd Banks

  Austin 'Dinky' Byne  (13 episodes, 2001-2002)
• 
  Nicky Guadagni

  Elaine Usher  (15 episodes, 2001-2002)
• 
  Janine Theriault

  Ethel Varr  (5 episodes, 2001-2002)
• 
  Michelle Nolden

  Helen Iacono  (2 episodes, 2001-2002)
• 
  Brooke Burns

  Beatrice Epps (2 episodes, 2002)
• 
  Sarain Boylan

  Nora Jaret (1 episode, 2002)
• 
  Ted Ludzik

  Delivery Man  (2 episodes, 2001)
• 
  Christine Brubaker

   Hattie Harding / ... (12 episodes, 2001-2002)
• 
  Colin Fox

  Fritz Brenner
• 
  Kari Matchett

   Lily Rowan / ... (17 episodes, 2001-2002)
• 
  David Schurmann

   Director #2 / ... (16 episodes, 2001-2002)