Major/Lt. Colonel John Sheppard

Joe Flanigan

Dr. Elizabeth Weir

Torri Higginson

Aiden Ford

Rainbow Sun Francks

Dr. Rodney McKay

David Hewlett

Teyla Emmagan

Rachel Luttrell

Colonel Dillon Everett

Clayton Landey

Keras

Courtenay J. Stevens...

Dr. Kate Heightmeyer

Claire Rankin

Lieutenant Colonel Samantha Carter

Amanda Tapping

Ronon Dex

Jason Momoa

Janus

Gildart Jackson

Chancellor Druhin

Alan Scarfe

Dr. Brendan Gall

Richard Cox

Dr. Carson Beckett

Paul McGillion

Guard

Andre Benjamin

Commander Acastus Kolya / —

Robert Davi

Major General George Hammond

Don S. Davis

Guest Star

Robert Patrick

Todd / Halling / Todd the Wraith

Christopher Heyerdahl

Moros

Matthew Walker

Sora

Erin Chambers

Simon Wallis

Garwin Sanford

le docteur Peter Grodin

Craig Veroni

Tyrus

Ari Cohen

Allina

Jana Mitsoula

Dr. Radek Zelenka

David Nykl

Dr. Abrams

Paul Magel

Zarah

Robert Thurston

Aries

Dominic Zamprogna

Perna

Allison Hossack

Orin

Terence Kelly

Male Wraith / — / Steve the Wraith

James Lafazanos

Cowen

Colm Meaney

Ladon Radim

Ryan Robbins

Dex

Noah Beggs

Casta

Sam Charles

Jinto

Reece Thompson

Wex

Casey Dubois

Jennifer Keller / Ellia / Dr. Jennifer Keller

Jewel Staite

Sgt. Stackhouse

Boyan Vukelic

Major Evan Lorne

Kavan Smith

Marta

Meghan Black

Richard Woolsey / —

Robert Picardo

— / Steven Caldwell

Mitch Pileggi

— / Chuck / Technician

Chuck Campbell

Chief Mst. Sgt. Walter Harriman / SMSgt. Walter Harriman / Walter Harriman

Gary Jones

— / Michael

Connor Trinneer

— / Wraith Keeper / Female Wraith

Andee Frizzell

Sgt. Bates

Dean Marshall

Parker

Jon Johnson

Marine

Craig Fraser

— / Dr. Peter Kavanagh / Peter Kavanagh

Ben Cotton

—

Michael Beach

—

Bill Dow

— / Hermiod (voice)

Trevor Devall

Major Kevin Marks

Martin Christopher

Captain Dave Kleinman

Kirby Morrow

Atlantis Technician

Edmond Kato Wong

Director

David Warry-Smith

Director

David Winning

Director

Peter DeLuise

Director

Brad Turner

Director

James Head

Director

Martin Wood

Director

Holly Dale

Director

Andy Mikita

Director

Mario Azzopardi