Kurt Russell character Colonel Jonathan “Jack” O'Neil
James Spader character Dr. Daniel Jackson
Jaye Davidson character Ra
Viveca Lindfors character Catherine Langford
Alexis Cruz character Skaara
Mili Avital character Sha'uri
Leon Rippy character General W.O. West
John Diehl character Lieutenant Kawalsky
French Stewart character Lieutenant Ferretti
Carlos Lauchu character Anubis
Djimon Hounsou character Horus
Erick Avari character Kasuf
Derek Webster character Brown
Christopher John Fields character Freeman
Gianin Loffler character Nabeh
Frank Welker character Mastadge (voice)
Rae Allen character Barbara Shore, Ph.D.
Richard Kind character Gary Meyers, Ph.D.
Jack Moore character Reilly
Steve Giannelli character Porro
David Pressman character Assistant Lieutenant
Scott Alan Smith character Officer (as Scott Smith)
Cecil Hoffman character Sarah O'Neil
John Storey character Mitch
Lee Taylor-Allan character Jenny
George Gray character Technician
Kelly Vint Castro character Young Catherine Langford (as Kelly Vint)
Erik Holland character Professor Langford
Nick Wilder character Taylor, the Foreman
Sayed Badreya character Arabic Interpreter
Michael Concepcion character Horus Guard #1
Jerry Gilmore character Horus Guard #2
Michel Jean-Philippe character Horus Guard #3 (as Michel Jean-Phillipe)
Dialy N'Daiye character Horus Guard #4
Gladys Holland character Professor
Roger Til character Professor
Kenneth Danziger character Professor
Christopher West character Professor
Robert Ackerman character Companion
Kairon John character Masked Ra (as Kieron Lee)
Dax Biagas character Young Ra