Spudvisor
Elyse Levesque

Chloe Armstrong (40 episodes)

Alaina Huffman

Tamara Johansen (40 episodes)

Julia Benson
Ming-Na Wen
Jeffrey Bowyer-Chapman

Pvt. Darren Becker (16 episodes)

Darren Becker (1 episode)

Private Darren Becker (1 episode)

Mark Burgess

Dr. Jeremy Franklin (13 episodes)

Josh Blacker

Marine Sgt. Spencer (8 episodes)

Sgt. Spencer (1 episode)

Darcy Laurie

Airman Dunning (9 episodes)

Tygh Runyan
Michael Shanks
Ona Grauer
Glynis Davies

Maryann Wallace (5 episodes)

Anna Galvin

Mrs. Armstrong (4 episodes)

Amanda Tapping

Samantha Carter (3 episodes)

Andrew Dunbar

Marine Cpl. Gorman (3 episodes)

Bill Dow

Dr. Bill Lee (2 episodes)

Bill Lee (1 episode)

Alisen Down

Dr. Brightman (3 episodes)

Rhona Mitra

Commander Kiva (3 episodes)

Trevor Carroll

Sgt. Graham (2 episodes)

Staff Sgt. Graham (1 episode)

Agam Darshi

Dr. Sonja Damji (2 episodes)

Gary Jones

Walter Harriman (2 episodes)

Sean Blakemore
French Stewart

Dr. Andrew Covel (1 episode)

Haig Suther

Hunter Riley (1 episode)

Kathleen Quinlan

Senator Michaels (1 episode)

Victor Garber

Ambassador Ovirda (1 episode)

David Hewlett
Robert Picardo

Richard Woolsey (1 episode)

Nicole Rockmann

Tenara Citizen (uncredited) (1 episode)

Martin Christopher

Major Kevin Marks (1 episode)

Michael Lenic
Ryan Kennedy
Alana Husband

Dr. McCormack (1 episode)

Rukiya Bernard

Airman Richmond (1 episode)

Kirby Morrow

Bridge Officer (1 episode)

Patricia Cullen

Lucian Scientist (1 episode)

Ilan Muallem
Rob Hayter

Alliance Soldier (1 episode)

Ash Lee

Alliance Tech (1 episode)

Dan Pelchat

Twinning Double (1 episode)

Troy Mundle

S.F. Sergeant Hyatt (1 episode)

Brian McCaig

Geiger Counter Tech (1 episode)

John Shaw

Administrator (1 episode)

Greyston Holt

Corporal Reynolds (1 episode)

Lane Edwards

Matthew Wallace (1 episode)

Chris Beach

Art Direction (40 episodes)

Rohn Schmidt

Director of Photography (1 episode)

John Scalzi

Creative Consultant (40 episodes)

James Bamford

Stunt Coordinator (40 episodes)

N. John Smith

Executive Producer (40 episodes)