Horizon Season 4

The fourth season of Stargate Horizon began airing on in the US on October 18, 2007. The premiere, "Gateway of the Gods", begins after the events of "A Matter of Faith, Part 2", the season 3 finale. Ben Browder is no longer regular in season four, and Michael Shanks joins the cast, carrying the role of Doctor Daniel Jackson over from Stargate SG-1.

Main Characters

 * Kiefer Sutherland as Colonel John Grant (25/25 episodes)
 * Ashley Scott as Commander Sivea Ve'nal (25/25 episodes)
 * Carlos Bernard as Major David Connor (25/25 episodes)
 * Rachael Leigh Cook as Doctor Christine Summers (25/25 episodes)
 * Dion Johnstone as Doctor Tom Galloway (25/25 episodes)
 * Dennis Haysbert as Commander De'van Callen (25/25 episodes)
 * Michael Shanks as Doctor Daniel Jackson (25/25 episodes)
 * Andrew J. Robinson as Doctor Lenori (20/25 episodes)

Recurring Characters

 * Scott MacDonald as Sivok (8/25 episodes)
 * Robert Picardo as Richard Woolsey (3/25 episodes)
 * Gregory Itzin as Minister Kalos (2/25 episodes)
 * James Cromwell as President Kohmar (2/25 episodes)
 * Melinda Clarke as Nebulan Woman (2/25 episodes)
 * Casey Biggs as Lonik / Nosah'trah (2/25 episodes)
 * Emma Caulfield as Julia Connor (2/25 episodes)
 * Ben Browder as Chase Reynolds (2/25 episodes)