Michael Shanks
Thor (voice), Daniel Jackson
Gary Jones
Walter Harriman, Radio Dispatcher
Dan Shea
Sylvester Siler, Sylvester Siler (uncredited), Fireman Opening Station Door
Peter DeLuise
Airman, Free Jaffa (Voice only) (Uncredited), SF Guard (Uncredited), Interviewer, Young Urgo in Uniform, Machine Gun Guard, Tok'ra Guard, Man Leaving Cafe, Director / Peter DeLuise, Screaming Villager, Lieutenant
Eric Breker
Colonel Reynolds, Albert Reynolds
Laara Sadiq
Technician, Technician Davis, Technician #2, Technican
Fraser Aitcheson
Jaffa Guard, Jaffa, Orderly, Free Jaffa (Uncredited), Ares' Jaffa commander (Uncredited), Jaffa Commander, Free Jaffa 2 (Uncredited), Hathor's Jaffa, Jaffa Warrior, Tagrean Worker, Apophis' Red Jaffa, Anubis' Jaffa, Dakara Jaffa 3 (Uncredited)
Tracy Westerholm
Special Forces Soldier #2, SF Guard, Female Soldier, Surveillance SF, Technician #2
Dan Payne
Kull Warrior (Uncredited), Kull Warrior, Staff Sergeant Allan, Vala in Kull armor, Anubis' Ashrak, Jaffa Commander
Dion Johnstone
Captain Warrick Trevor, Captain Nelson, Alien #2, Na'onak, Chaka, Lieutenant Tyler, Wodan
Alex Zahara
Shy One, Iron Shirt, Eggar, Alien Leader, Alien Leader, Alien #1, Xe'ls, Motion Capture Warrior, Warrick Finn
Jay Acovone
Captain Charles Kawalsky, Charles Kawalsky
Rob Lee
Scientist, Major Pierce, Colonel Ben Pierce, Pierce, Major Ben Pierce