Joe Flanigan
John Sheppard (20 eps)
David Hewlett
Rodney McKay (20 eps)
Rachel Luttrell
Teyla Emmagan (20 eps)
Torri Higginson
Elizabeth Weir (20 eps)
Rainbow Sun Francks
Aiden Ford (20 eps)
Jon Johnson
Parker (10 eps)
Andre Benjamin
Walker (10 eps)
Craig Veroni
Dr. Peter Grodin (9 eps)
Dean Marshall
Sgt. Bates (9 eps)
Colin Decker
Marine (uncredited) (9 eps)
Chris Bradford
Marine (uncredited) (8 eps)
Craig Fraser
Marine (7 eps)
Boyan Vukelic
Sgt. Stackhouse (6 eps)
Christopher Heyerdahl
Halling (6 eps)
Edmond Kato Wong
Atlantis Technician (5 eps)
Chuck Campbell
Chuck (5 eps)
D. Harlan Cutshall
Marine (Uncredited) (5 eps)
James Lafazanos
Steve the Wraith (4 eps)
Christopher Ang
Athosian (Uncredited) (4 eps)
David Nykl
Dr. Radek Zelenka (4 eps)
Tony Baretta
Smitty (Uncredited) (4 eps)
Robert Patrick
Colonel Marshall Sumner (3 eps)
Reece Thompson
Jinto (3 eps)
Casey Dubois
Wex (3 eps)
Darren Hird
Dying Patient (3 eps)
Erin Chambers
Sora (3 eps)
Ben Cotton
Peter Kavanagh (3 eps)
Robert Davi
Commander Acastus Kolya (3 eps)
Shohan Felber
Genii Soldier (Uncredited) (3 eps)
Marc Petey
Genii Soldier (Uncredited) (3 eps)
Ari Solomon
Billick (Uncredited) (3 eps)
Garwin Sanford
Simon Wallis (2 eps)
Dan Payne
Wraith Warrior (2 eps)
Stefano Colacitti
Toran (2 eps)
Joseph May
Sgt. Markham (2 eps)
Colm Meaney
Cowen (2 eps)
Melia McClure
Hologrammatic Female Ancient (2 eps)
Ryan Robbins
Ladon Radim (2 eps)
Andee Frizzell
Female Wraith (2 eps)
Lynda Riley
Brunette (Uncredited) (2 eps)
Gary Jones
Walter Harriman (2 eps)
Andy Nez
Genii Soldier (Uncredited) (2 eps)
Flynn Falcone
Genii Soldier (Uncredited) (2 eps)
Sean Millington
Marine (Uncredited) (2 eps)
Richard Dean Anderson
Brigadier General Jack O'Neill (1 eps)
Michael Shanks
Dr. Daniel Jackson (1 eps)
Dan Shea
Sgt. Siler (1 eps)
David Milchard
SGC Technician (1 eps)
Bro Gilbert
Scientist (1 eps)
Peter Grasso
Scientist (1 eps)
Ona Grauer
Ancient (1 eps)
Aaron Dudley
Male Ancient (1 eps)
Mary Joan Buchanan
Beckett's Mom (1 eps)
Meghan Black
Marta (1 eps)
Geoff Redknap
Old Colonel Sumner (1 eps)
Fiona Hogan
Dr. Simpson (1 eps)
Courtenay J. Stevens
Keras (1 eps)
Santo Lombardo
Athosian (1 eps)
Agam Darshi
Athosian (1 eps)
Dominic Zamprogna
Aries (1 eps)
Sam Charles
Casta (1 eps)
Jessica Amlee
Cleo (1 eps)
Phoenix Ly
Yamato (1 eps)
Shane Meier
Neleus (1 eps)
Julie Patzwald
Pelias (1 eps)
Alan Scarfe
Chancellor Druhin (1 eps)
Allison Hossack
Perna (1 eps)
Calum Worthy
Hunter Kid (1 eps)
Ari Cohen
Tyrus (1 eps)
Don S. Davis
Major General George Hammond (1 eps)
Noah Beggs
Dex (1 eps)
Stephen Spender
Mitch (1 eps)
Robert Weiss
Scientist (1 eps)
Nicole Rudell
Doctor (1 eps)
Michael Puttonen
Smeadon (1 eps)
Don Ackerman
Doran (1 eps)
Cory Monteith
Genii Private (1 eps)
Colin Corrigan
Guard (1 eps)
Jason Diablo
Guard (1 eps)
Jodie Graham
Genii Soldier (1 eps)
Lauro David Chartrand-DelValle
Genii Soldier (1 eps)
Steve Archer
Generator Room Guard (1 eps)
Richard Ian Cox
Dr. Brendan Gaul (1 eps)
Conan Graham
New Genii Soldier (1 eps)
Paul Magel
Dr. Abrams (1 eps)
Damon Johnson
Dr. Peterson (1 eps)
Nahanni Arntzen
Dr. Dumais (1 eps)
Peter Grier
Dr. Hays (1 eps)
Michelle Addison
Dr. Johnson (1 eps)
Allison Graham
Lt. Crown (1 eps)
Gildart Jackson
Janus (1 eps)
Dane B. McFadhen
Dr. Wagner (1 eps)
Robert Thurston
Zarah (1 eps)
Leonor Varela
Chaya Sar (1 eps)
Alexos Andros
Technician (1 eps)
Jana Mitsoula
Allina (1 eps)
Adrian Hough
Pranos (1 eps)
Laura Mennell
Sanir (1 eps)
John Tierney
Alstrum (1 eps)
Simon Longmore
Tathal (1 eps)
Terence Kelly
Orin (1 eps)
Manami Hara
Dr. Miko Kusanagi (1 eps)
Peter Graham-Gaudreau
Arja (1 eps)
Kevin Minato
Boy with Orin (1 eps)
Clayton Landey
Colonel Dillon Everett (1 eps)
Chris Britton
Prenum (1 eps)
David Orth
Captain Radner (1 eps)
Lindsay Collins
Dr. Biro (1 eps)
Claire Rankin
Kate Heightmeyer (1 eps)
Grahame Andrews
Porta (1 eps)
Matthew Walker
Moros (1 eps)
Sean Amsing
Athosian with Swiss Army knife (Uncredited) (1 eps)
Alejandro Rae
Arbalester (Uncredited) (1 eps)
Alana Husband
Ennea (Uncredited) (1 eps)
Micah Gardener
Bow-using Hunter (Uncredited) (1 eps)
Nick Misura
Genii Villager (Uncredited) (1 eps)
Kenneth W. Yanko
Genii Officer (Uncredited) (1 eps)
Neil Maffin
Merrell (1 eps)
Brett Chan
Genii Soldier (Uncredited) (1 eps)
Rob 'Sluggo' Boyce
New Genii Soldier (Uncredited) (1 eps)
Dan Rizzuto
New Genii Soldier (Uncredited) (1 eps)
Paul Cummings
Genii Soldier (Uncredited) (1 eps)
David Neale
Genii Soldier (Uncredited) (1 eps)
Todd Mann
Genii Soldier (Uncredited) (1 eps)
Byron Brisco
Genii Soldier (Uncredited) (1 eps)
Steve Kiziak
Genii Soldier (Uncredited) (1 eps)
Paul Lazenby
Genii Commander (Uncredited) (1 eps)
Artine Brown
Zarah's aider (Uncredited) (1 eps)
James Michalopolous
Genii Soldier (Uncredited) (1 eps)
Shawn Stewart
Genii Soldier (Uncredited) (1 eps)
Holly Dignard
Old Dr. Elizabeth Weir (1 eps)
Tiffani Timms
Female Villager (Uncredited) (1 eps)
Bruce Woloshyn
Engineer (Uncredited) (1 eps)
Justin Doran
Marine (Uncredited) (1 eps)
Jay Williams
Cocooned Man (Uncredited) (1 eps)
Daniel Boileau
Cocooned Victim (1 eps)
Brenda McDonald
Charin (1 eps)
Mario Ferrante
SF Guard (Uncredited) (1 eps)
Robin Avery
Lt. Lou Miller (1 eps)
Jeffrey C. Robinson
Wraith/Wraith (Uncredited) (1 eps)
James Bamford
Athosian (Uncredited) (1 eps)
Nathan Flaminio
Scientist (Uncredited) (1 eps)
Barry Nerling
Sgt. Green (Uncredited) (1 eps)
Clayton Watmough
Marine (Uncredited) (1 eps)
Glen Brkich
Marine (Uncredited) (1 eps)
Martin Blaiz
Marine (Uncredited) (1 eps)
Thomas Potter
Marine (Uncredited) (1 eps)
Gentry Bromfield
Red beret Guard (Uncredited) (1 eps)
Diana Dutra
USAF Female NCO (Uncredited) (1 eps)
Andrew Hedge
Marine (Uncredited) (1 eps)
Ross Hull
Dr. Corrigan (1 eps)