- Ken Finkleman
- Â George Findlay 32 episodes, 1996-2005
- Peter Keleghan
- Â Jim Walcott 29 episodes, 1996-2005
- Karen Hines
- Â Karen 25 episodes, 1997-2005
- Matt Watts
- Â Matt 19 episodes, 2003-2005
- Douglas Bell
- Â Allen 18 episodes, 2003-2005
- Mark Farrell
- Â Mark 13 episodes, 1996-1997
- Jody Racicot
- Â Alex 13 episodes, 2003-2004
- Tanya Allen
- Â Audrey 13 episodes, 1996-1997
- Holly Lewis
- Â Claire 11 episodes, 2003-2004
- Jeremy Hotz
- Â Jeremy 8 episodes, 1996-2005
- Pamela Sinha
- Â Rani 6 episodes, 1996
- Kristin Booth
- Â Nora 6 episodes, 2005
- Nancy Beatty
- Â Nancy 5 episodes, 1997
- Shaughnessy Bishop-Stall
- Â Jason 5 episodes, 2005
- Sarah Strange
- Â Susan Murdoch 5 episodes, 2005
- Julie Khaner
- Â Sidney Dernhoff 5 episodes, 1996
- David Huband
- Â Bruce 5 episodes, 1996-1997
- Bill Casselman
- Â Bill 5 episodes, 1996-1997
- Elisa Moolecherry
- Â Gillian Soros / ... 5 episodes, 1996-1997
- Kate Trotter
- Â George's Boss 4 episodes, 2003-2004
- Alberta Watson
- Â Susan 4 episodes, 2004
- Lisa Ryder
- Â Kris 4 episodes, 1996
- Tim Rykert
- Â The Agent / ... 4 episodes, 1996-1997
- Jason Blicker
- Â Shane / ... 3 episodes, 1996-2003
- Kay Valley
- Â Sandra 2 episodes, 1996
- Sarah Neville
- Â Receptionist 2 episodes, 1997
- David Gale
- Â David Ross / ... 2 episodes, 1996-1997
- Les Porter
- Â Max Cavell 2 episodes, 2003-2005
- Jennifer Baxter
- Â Kelly 2 episodes, 2005
- Jeffrey R. Smith
- Â Michael 2 episodes, 2003
- R.D. Reid
- Â Doctor Nelson 2 episodes, 1997-2005
- Henry Alessandroni
- Â Aide 2 episodes, 1997
- Linda McQuaig
- Â Self 2 episodes, 1996-1997
- Clare Coulter
- Â George's Mother 2 episodes, 1997
- Jan Filips
- Â The Lawyer 2 episodes, 1997
- Hugh Segal
- Â Self 2 episodes, 1996-1997
- Michael McMurtry
- Â Editor 1 episode, 1997
- Deborah Tennant
- Â George's Psychiatrist 1 episode, 2003
- Timm Zemanek
- Â Allan 1 episode, 1997
- Alon Nashman
- Â Music Technician 1 episode, 1997
- Adam Greydon Reid
- Â Brad 1 episode, 2003
- Matt Gordon
- Â Jim's Agent 1 episode, 2003
- Robert Bockstael
- Â TV Executive 1 episode, 2003
- Naomi Klein
- Â Self 1 episode, 2003
- John Boylan
- Â Jim's Literary Agent 1 episode, 2003
- Joanne Kelly
- Â George's Hallucination 1 episode, 2004
- Yasin Sheikh
- Â Tape Guy 1 episode, 2004
- Amanda Tapping
- Â Lindsay Ward 1 episode, 1996
- Carl Marotte
- Â Cynthia Dale's Agent 1 episode, 1996
- Dan Redican
- Â Documentary Director 1 episode, 1996
- Mike Wilmot
- Â Campaign Car Driver 1 episode, 1997
- Wayne Flemming
- Â Nancy's Husband 1 episode, 1997
- Laura Catalano
- Â Patricia 1 episode, 2003
- Tom McCamus
- Â Bob Daniels 1 episode, 2003
- Judah Katz
- Â Michael Silver 1 episode, 2003
- Marvin Kaye
- Â Bookie 1 episode, 2003
- Colette Stevenson
- Â Dr. Julia Fielding 1 episode, 2003
- Robert Verlaque
- Â President Brady-Zeigler Advertising 1 episode, 2004
- Andrew Sabiston
- Â Edward-Davies Publishing 1 episode, 2004
- Duane Murray
- Â Tom, Network Lawyer 1 episode, 2004
- Mung-Ling Tsui
-  Martha's Café Cashier 1 episode, 2004
- Kerry McPherson
- Â Lawyer 1 episode, 2004
- Dina Pino
- Â Sandy 1 episode, 2004
- Kim Bourne
- Â Lingerie Saleswoman 1 episode, 2004
- Kim Huffman
- Â Animated - Dream Woman 1 episode, 2005
- David Macniven
- Â Landscape Guy 1 episode, 2005
- Lee MacDougall
- Â Rick - Professor 1 episode, 2005
- Rick Salutin
- Â Rick Salutin 1 episode, 2005
- Jennifer Copping
- Â Shane's Ex-girlfriend 1 episode, 1996
- Linda Kash
- Â Adelle Grossman 1 episode, 1997
- Michael Therriault
- Â Mail Guy 1 episode, 1997
- Sook-Yin Lee
- Â Building Services Coordinating Secretary 1 episode, 1997
- Damon Runyan
- Â Steve 1 episode, 2003
- Krista Sutton
- Â Morning Talk Show Co-Host 1 episode, 2003
- Victor A. Young
- Â Howard, Brad's Father 1 episode, 2003
- Sarah-Maude Campbell
- Â Mrs. Silver 1 episode, 2003
- Richard Waugh
- Â OCD Psychiatrist 1 episode, 2004
- Paul Essiembre
- Â Reporter from George's Hometown 1 episode, 2004
- Raven Dauda
- Â Thai Place Customer #2 1 episode, 2004
- Natalie Radford
- Â Network Psychologist 1 episode, 2004
- Greg Ellwand
- Â Police Officer 1 episode, 2004
- Darren Hynes
- Â Tow Truck Driver 1 episode, 2004
- Dean Armstrong
- Â Bob Walker 1 episode, 2005
- Krysta Carter
- Â Lolita 1 episode, 2005
- Nadia Capone
- Â Jeremy's Lawyer 1 episode, 2005
- Elizabeth Beeler
- Â Betty Cavell 1 episode, 2005
- Raoul Bhaneja
- Â Vijay 1 episode, 1996
- Larissa Laskin
- Â Agent #2 1 episode, 1996
- Boyd Banks
- Â Parking Guy 1 episode, 1997
- Alison Sealy-Smith
- Â Globe Reporter #1 1 episode, 1997
- Don Dickinson
- Â Paul Tinsley 1 episode, 1997
- Russell Yuen
- Â Jim's U.S. Boss 1 episode, 2003
- Lynne Cormack
- Â Brad's Mother 1 episode, 2003
- Sabrina Reeves
- Â Entertainment TV Host 1 episode, 2003
- Asim Wali
- Â Javad 1 episode, 2003
- Niki Landau
- Â Chandra Berman 1 episode, 2003
- Gary Brennan
- Â Network Lawyer 1 episode, 2004
- Tony Nardi
- Â Patrick 1 episode, 2004
- Marie V. Cruz
- Â Thai Place Cashier 1 episode, 2004
- Elizabeth Harpur
- Â Network News Hairstylist 1 episode, 2004
- Jay 'Mad Dog' Michaels
- Â Audio Level Checker 1 episode, 2004
- Amanda Brugel
- Â Nurse 1 episode, 2005
- Doug Lennox
- Â Conrad Scott 1 episode, 2005
- Philip Craig
- Â George's Lawyer 1 episode, 2005
- David Clement
- Â Jim's Guidance Teacher 1 episode, 2005
- Bruce Vavrina
- Â Ted - Handicapped Person 1 episode, 2005
- Joe Pingue
- Â Security 1 episode, 1996
- Sam Moses
- Â Rani's Father 1 episode, 1996
- Angela Gei
- Â M.P.P. from Hell 1 episode, 1996
- Beatriz Pizano
- Â Muffin Shop Worker 1 episode, 1996
- Darcy Dunlop
- Â Research Assistant Applicant 1 episode, 1996
- David Cronenberg
- Â David Cronenberg 1 episode, 1997
- Angelo Mosca
- Â Self 1 episode, 1997
- Inna Korobkina
- Â Russian Saleswoman 1 episode, 2003
- Miku Graham
- Â Restaurant Hostess 1 episode, 2003
- Kevin Frank
- Â Morning Talk Show Chef 1 episode, 2003
- Alan Van Sprang
- Â George's Replacement 1 episode, 2004
- J.C. Kenny
- Â Radio Morning Show Host 1 episode, 2004
- Neil Girvan
- Â Thai Place's Lawyer Customer 1 episode, 2004
- Irene Lopez Kuchilan
- Â Cleaner 1 episode, 2004
- Jodie Dowdall
- Â Hot Girl 1 episode, 2005
- David Fraser
- Â Rocket Burger Executive 1 episode, 2005
- Michael Gabriel
- Â Matt's Lawyer 1 episode, 2005
- Ron Gabriel
- Â Ted's Lawyer 1 episode, 2005
- Tracy Shreve
- Â Tanique 1 episode, 1996
- Danielle Brett
- Â Public Relations Woman 1 episode, 1996
- Mishu Vellani
- Â Rani's Sister 1 episode, 1996
- George Seremba
- Â Dr. Lipsoya 1 episode, 1996
- Guylaine St-Onge
- Â Lise Leger 1 episode, 1997
- Eddie Shack
- Â Self 1 episode, 1997
- John Haslett Cuff
- Â Self 1 episode, 1997
- Tyrone Benskin
- Â Mr. Taylor 1 episode, 2003
- Paul Miller
- Â Manager 1 episode, 2003
- Pedro SalvÃn
- Â Chavez, Mexican Doctor 1 episode, 2003
- Colm Feore
- Â David 1 episode, 2004
- Richard Tse
- Â Trevor Lee 1 episode, 2004
- Natacha La Ferriere
- Â Creative Consultant 1 episode, 2004
- Ross Mckenzie
- Â Bartender 1 episode, 2004
- Jonathan Whittaker
- Â Network Lawyer 1 episode, 2005
- Marvin Karon
- Â Allen's Lawyer 1 episode, 2005
- Alex Appel
- Â Woman from Children's Programming 1 episode, 1996
- Brittaney Bennett
- Â Prostitute 1 episode, 1996
- Susan Coyne
- Â Globe Reporter #2 1 episode, 1997
- Alex Gonzales
- Â Self 1 episode, 1997
- Philippa Domville
- Â Lesbian Lover 1 episode, 2003
- Diego Fuentes
- Â Bellboy 1 episode, 2003
- Matt Baram
- Â Mail Guy 1 episode, 2004
- Sanjay Talwar
- Â Pharmacist 1 episode, 2004
- Shel Goldstein
- Â JoJo's Owner 1 episode, 2004
- Philip Shepherd
- Â Rick Salutin's Lawyer 1 episode, 2005
- Rolando Alvarez Giacoman
- Â Cafeteria Manager 1 episode, 1996
- Daniel Richler
- Â Self 1 episode, 1996
- Robyn Stevan
- Â Globe Reporter #3 1 episode, 1997
- Jack Newman
- Â JoJo's Owner 1 episode, 2004
- Christina Cox
- Â Prostitute in Limo 1 episode, 1996
- Sandra McCurdy
- Â Woman on the Elevator 1 episode, 1996
- Albert Schultz
- Â Jay Scher 1 episode, 1997
- Tom Stade
- Â Sean 1 episode, 1997
- Shauna MacDonald
- Â Yvonne 1 episode, 2003
- Catherine Fitch
- Â Replacement Producer 1 episode, 2004
- Cynthia Dale
- Â Self 1 episode, 1996
- A.C. Peterson
- Â Bus Driver 1 episode, 2003
- Victoria Snow
- Â Heather Campbell 1 episode, 1997
- Gwynyth Walsh
- Â George's Ex-Wife 1 episode, 1997
- Gary Pearson
- Â Doctor 1 episode, 1997
- Pamela Wallin
- Â Self 1 episode, 1997
- Jeffrey Simpson
- Â Self 1 episode, 1997
- Bob Rae
- Â Self 1 episode, 1997
- Stephen Lewis
- Â Self 1 episode, 1997
- Sherry Hilliard
- Â Girlfriend 1 episode, 1997
- Cathleen Rootsaert
- Â Comedian 1 episode, 2004
- Babak Haleky
- Â Foreign disco-mat 1 episode, 2005
- Shawn Goldberg
- Â Editor 1 episode, 2005