
| Ellen Muth | ... | Georgia 'George' Lass (29 episodes, 2003-2004) |

| Callum Blue | ... | Mason (29 episodes, 2003-2004) |
 | Jasmine Guy | ... | Roxy Harvey (29 episodes, 2003-2004) |

| Mandy Patinkin | ... | Rube Sofer (29 episodes, 2003-2004) |

| Cynthia Stevenson | ... | Joy Lass (28 episodes, 2003-2004) |
 | Britt McKillip | ... | Reggie Lass (26 episodes, 2003-2004) |
 | Christine Willes | ... | Delores Herbig (26 episodes, 2003-2004) |

| Laura Harris | ... | Daisy Adair (24 episodes, 2003-2004) |
 | Crystal Dahl | ... | Crystal / ... (22 episodes, 2003-2004) |

| Greg Kean | ... | Clancy Lass (21 episodes, 2003-2004) |
 | Patricia Idlette | ... | Kiffany (21 episodes, 2003-2004) |
 | Talia Ranger | ... | Young George (14 episodes, 2003-2004) |
 | Laura Boddington | ... | Un George (6 episodes, 2003) |

| Rebecca Gayheart | ... | Betty Rhomer (5 episodes, 2003) |
 | Meghan Black | ... | Misty / ... (5 episodes, 2003-2004) |
 | Patti Allan | ... | Claire (4 episodes, 2003-2004) |

| Teryl Rothery | ... | Linda the Realtor (3 episodes, 2004) |
 | Spencer Achtymichuk | ... | Charlie (3 episodes, 2003-2004) |
 | Deanne Henry | ... | Casey (3 episodes, 2003) |

| Eric McCormack | ... | Ray Summers (3 episodes, 2004) |
 | Brett Kelly | ... | Francis Bischetti (3 episodes, 2004) |
 | Julia Arkos | ... | Mrs. Ricket (3 episodes, 2004) |

| Robin Dunne | ... | Thomas 'Trip' Hesberg III (2 episodes, 2004) |

| John Kapelos | ... | Angus Cook (2 episodes, 2003) |
 | Peter Williams | ... | Angelo (2 episodes, 2004) |
 | Tom McBeath | ... | Father Mathias (2 episodes, 2004) |

| Yeardley Smith | ... | Penny (2 episodes, 2004) |
 | Barbara Barrie | ... | Phyllis (2 episodes, 2004) |
 | Peter Kelamis | ... | Morgue Attendant / ... (2 episodes, 2003-2004) |

| Daniel Bacon | ... | Michael (2 episodes, 2003) |

| Tegan Moss | ... | Fiona (2 episodes, 2003-2004) |

| Enid-Raye Adams | ... | Gayle / ... (2 episodes, 2003-2004) |
 | Raugi Yu | ... | Cheery Co-Worker / ... (2 episodes, 2003) |

| James Ashcroft | ... | Phil / ... (2 episodes, 2003-2004) |
 | Dana Pemberton | ... | Frank the Cop (2 episodes, 2004) |

| Reg Tupper | ... | Jed / ... (2 episodes, 2003-2004) |
 | Colin Banner | ... | Clergyman / ... (2 episodes, 2003-2004) |

| Manoj Sood | ... | Mr. Akhtar (2 episodes, 2004) |
 | Ron Small | ... | Kid Washington (2 episodes, 2004) |

| Jake D. Smith | ... | Little Boy / ... (2 episodes, 2003-2004) |
 | Ian Thompson | ... | Bus Driver / ... (2 episodes, 2003-2004) |
|
| Ben Brafman | .... | producer / co-producer (29 episodes, 2003-2004) |
| Robert Habros | .... | co-producer (29 episodes, 2003-2004) |
| Steve Beers | .... | co-executive producer / supervising producer (28 episodes, 2003-2004) |
| John Masius | .... | executive producer (28 episodes, 2003-2004) |
| Pascal Verschooris | .... | producer (28 episodes, 2003-2004) |
| Stephen Godchaux | .... | executive producer / co-executive producer (25 episodes, 2003-2004) |
| Bridget Carpenter | .... | co-producer (15 episodes, 2004) |
| Shayne A. Wilson | .... | associate producer (15 episodes, 2004) |
| Bryan Fuller | .... | consulting producer / executive producer (14 episodes, 2003) |
| Peter Ocko | .... | consulting producer (13 episodes, 2003) |
| Dan E. Fesman | .... | co-producer (9 episodes, 2003) |
| Harry Victor | .... | co-producer (9 episodes, 2003) |
| Tom Spezialy | .... | executive producer (4 episodes, 2003) |
| |
|
| Arthur A. Green | .... | greensman (28 episodes, 2003-2004) |
| Clare Davis | .... | construction coordinator (25 episodes, 2003-2004) |
| Ron Votto | .... | head painter (16 episodes, 2003-2004) |
| Michael Love | .... | props (15 episodes, 2004) |
| Leesa Hanna | .... | assistant set decorator (14 episodes, 2003) |
| Mark Francis | .... | property master (13 episodes, 2003) |
| Cherie Kroll | .... | graphic designer (13 episodes, 2003) |
| Ron Andrews | .... | head painter (12 episodes, 2004) |
| David Valentine | .... | property master (9 episodes, 2004) |
| Robert K. Smith | .... | property master (6 episodes, 2004) |
| Vance Conway | .... | construction coordinator (3 episodes, 2003) |
|
| Simone Gore | .... | art department assistant (unknown episodes) |
| Paul Jenkinson | .... | lead set dresser (unknown episodes) |
| Tyler Jones | .... | graphics person (unknown episodes) |
| Spencer Louttit | .... | assistant property master (unknown episodes) |
| Valentine Pavuls | .... | assistant property master (unknown episodes) |
| |
|
| Mark Noda | .... | boom operator (29 episodes, 2003-2004) |
| William Skinner | .... | sound mixer (29 episodes, 2003-2004) |
| Jay Cheetham | .... | background sound editor / sound editor (27 episodes, 2003-2004) |
| Real Gauvreau | .... | sound supervisor (21 episodes, 2003-2004) |
| Kelly Cole | .... | re-recording mixer (20 episodes, 2003-2004) |
| Bill Mellow | .... | re-recording mixer (16 episodes, 2003-2004) |
| Joshua Stevenson | .... | assistant dialogue editor (14 episodes, 2003) |
| Devan Kraushar | .... | sound supervisor / supervising sound editor (11 episodes, 2003-2004) |
| Brian Campbell | .... | sound editor / dialogue editor (10 episodes, 2003-2004) |
| Dave Hibbert | .... | re-recording mixer (10 episodes, 2003-2004) |
| Joe Spivak | .... | sound editor (9 episodes, 2003-2004) |
| Paul A. Sharpe | .... | re-recording mixer (6 episodes, 2003-2004) |
| Sina Oroomchi | .... | re-recording mixer (3 episodes, 2003-2004) |
| Iain Pattison | .... | re-recording mixer (3 episodes, 2003-2004) |
| Kris Fenske | .... | additional sound designer (2 episodes, 2003-2004) |
| James Wallace | .... | sound editor (2 episodes, 2003) |
|
| Scott Aitken | .... | sound assistant (unknown episodes) |
| Kevin Belen | .... | sound re-recording mixer (unknown episodes) |
| Talvinder Gill | .... | assistant sound editor (unknown episodes) |
| Philip Hunter | .... | dialogue editor (unknown episodes) |
| Kevin Konarzewski | .... | adr mixer / walla recordist (unknown episodes) |
| Jean Raymond | .... | foley mixer (unknown episodes) |
| Adam Sharpe | .... | adr mixer / sound re-recording mixer (unknown episodes) |
| |
|
| Robin Hackl | .... | lead compositor: Image Engine (29 episodes, 2003-2004) |
| Jennifer McEachern | .... | visual effects supervisor (29 episodes, 2003-2004) |
| Christopher Mossman | .... | executive producer: Image Engine (29 episodes, 2003-2004) |
| Lisa Turner | .... | visual effects coordinator: Image Engine (23 episodes, 2003-2004) |
| Joseph Ngo | .... | systems administrator (19 episodes, 2003-2004) |
| Kevin Little | .... | digital effects supervisor (18 episodes, 2003-2004) |
| Karen Watson | .... | compositor: Image Engine / 3D Artist: Image Engine (9 episodes, 2003-2004) |
| Seán Travers | .... | visual effects (3 episodes, 2003) |
|
| Simon Ager | .... | digital compositing artist (unknown episodes) |
| Vishal Anand | .... | digital effects artist (unknown episodes) |
| Tom Archer | .... | digital compositing artist (unknown episodes) |
| Tracey Baxter | .... | rotoscope artist (unknown episodes) |
| Nadine Blackler | .... | digital compositing artist (unknown episodes) |
| Brenda Campbell | .... | lead compositor: Atmosphere Visual Effects (unknown episodes) |
| Doug Campbell | .... | lead Inferno artist (unknown episodes) |
| Rosmary Conte | .... | digital effects coordinator (unknown episodes) |
| Ryan Cronin | .... | 3D animator (unknown episodes) |
| Kristin Dearholt | .... | digital compositing artist (unknown episodes) |
| Tristam Gieni | .... | digital effects artist (unknown episodes) |
| Martin Halle | .... | visual effects artist (unknown episodes) |
| Brian Harder | .... | character designer/rigger/modeler (unknown episodes) |
| Ryan Jensen | .... | digital artist (unknown episodes) |
| Jared Jones | .... | digital compositing artist (unknown episodes) |
| Patrick Kalyn | .... | character animator (unknown episodes) |
| Andrew Karr | .... | digital effects artist (unknown episodes) |
| Brett Keyes | .... | digital effects lead (unknown episodes) |
| Jaye Krebs | .... | digital compositing artist (unknown episodes) |
| Brenda Levert | .... | visual effects producer: Northwest Imaging & FX (unknown episodes) |
| Todd Liddiard | .... | digital compositing artist (unknown episodes) |
| Tannis Mathers | .... | rotoscoper (unknown episodes) |
| Dan Mayer | .... | lead 3D animator (unknown episodes) |
| Alec McClymont | .... | 3D artist: Atmosphere VFX (unknown episodes) |
| Sarah Norton | .... | digital compositing artist (unknown episodes) |
| Marianne O'Reilly | .... | visual effects producer: Rainmaker (unknown episodes) |
| Daniel Osaki | .... | visual effects artist (unknown episodes) |
| Scott Paquin | .... | character animator (unknown episodes) |
| Marc Roth | .... | 3D animator (unknown episodes) |
| Wes Sargent | .... | 3D animator (unknown episodes) |
| Rik Shorten | .... | visual effects producer: GVFX (unknown episodes) |
| Noel Wright | .... | digital compositing artist (unknown episodes) |
| |
|
| Brian Pocrass | .... | executive assistant (29 episodes, 2003-2004) |
| Josh Bodnar | .... | title designer (28 episodes, 2003-2004) |
| Kathryn Drew | .... | production accountant (28 episodes, 2003-2004) |
| Carol Horn | .... | legal counsel: Heenan Blaikie LLP (28 episodes, 2003-2004) |
| Michele O'Flanagan | .... | production coordinator (28 episodes, 2003-2004) |
| Anna C. Miller | .... | script coordinator (18 episodes, 2003-2004) |
| Ken Friss | .... | script supervisor (16 episodes, 2003-2004) |
| Sheri Mayervich | .... | location manager (15 episodes, 2003-2004) |
| Bryan Fuller | .... | consultant (15 episodes, 2004) |
| Darren Robertson | .... | playback coordinator (15 episodes, 2004) |
| Annie Weisman | .... | story editor (15 episodes, 2004) |
| Mason Nicoll | .... | title designer: main titles (14 episodes, 2003) |
| Neil Allan | .... | key production assistant (14 episodes, 2004) |
| Shayne A. Wilson | .... | assistant to producer / script and clearance coordinator / ... (13 episodes, 2003) |
| Patti Henderson | .... | script supervisor (12 episodes, 2003-2004) |
| Karl Gajdusek | .... | story editor (12 episodes, 2004) |
| J.J. Philbin | .... | story consultant / story editor (8 episodes, 2003) |
| David S. Fullerton | .... | assistant location manager (7 episodes, 2003) |
| Lenore Nemani | .... | assistant location manager (7 episodes, 2003) |
| Terry Mackay | .... | location manager (7 episodes, 2004) |
| Carson | .... | location manager (6 episodes, 2003) |
| Bridget Carpenter | .... | story editor (5 episodes, 2003) |
| Terry Coli | .... | script coordinator (5 episodes, 2003) |
| Evan Allen | .... | production assistant (5 episodes, 2004) |
| Kate Axelrod | .... | story consultant (3 episodes, 2003) |
| Denise Dobbs | .... | script coordinator (3 episodes, 2003) |
| Allan J. Ross | .... | location: preparation (2 episodes, 2003) |
| Jill Sherwin | .... | script coordinator (2 episodes, 2003) |
|
| Larissa Ballstadt | .... | key production assistant (unknown episodes) |
| Michael Bendner | .... | production assistant (unknown episodes) |
| Ron Blecker | .... | military advisor (unknown episodes) |
| Graham Cairns | .... | production assistant: pilot (unknown episodes) |
| Holly Amber Church | .... | assistant: Mr. Copeland (unknown episodes) |
| Ian Doig | .... | animal coordinator (unknown episodes) |
| Byron Drinkle | .... | playback coordinator (unknown episodes) |
| Dana Dubé | .... | animal coordinator (unknown episodes) |
| Paul Gendreau | .... | publicist (unknown episodes) |
| Jennifer Harland | .... | background coordinator (unknown episodes) |
| Rick Heal | .... | on-set tutor (unknown episodes) |
| Grace MacLeod | .... | animal trainer (unknown episodes) |
| Carol Marks-George | .... | unit publicist (unknown episodes) |
| Jeff Mohs | .... | trainee assistant locations (unknown episodes) |
| Justin Parkinson | .... | set production assistant (unknown episodes) |
| Andrew Simpson | .... | animal trainer (unknown episodes) |
| Annie Wilkinson | .... | set tutor (unknown episodes) |
| Chris Wilson | .... | trainee assistant location manager (unknown episodes) |
| |