SG-1 Season 4

Season four of Stargate SG-1 began airing on June 30, 2000 on Showtime. The fourth season concluded after 22 episodes on February 14, 2001 on British Sky One, which overtook Showtime in mid-season.

Main characters

 * Richard Dean Anderson as Col. Jack O'Neill (22/22 episodes)
 * Michael Shanks as Dr. Daniel Jackson (21/22 episodes)
 * Amanda Tapping as Maj. Samantha Carter (22/22 episodes)
 * Christopher Judge as Teal'c (22/22 episodes)
 * Don S. Davis as Gen. George Hammond (21/22 episodes)

Recurring characters

 * Teryl Rothery as Janet Fraiser (12/22 episodes)
 * Gary Jones as Walter Harriman (11/22 episodes)
 * Dan Shea as Sylvester Siler (8/22 episodes)
 * Peter Williams as Apophis (3/22 episodes)
 * Carmen Argenziano as Jacob Carter/Selmak (3/22 episodes)
 * Vanessa Angel as Anise/Freya (3/22 episodes)
 * Colin Cunningham as Paul Davis (3/22 episodes)
 * Ronny Cox as Robert Kinsey (2/22 episodes)
 * Peter Wingfield as Tanith (2/22 episodes)
 * Tom McBeath as Harold Maybourne (2/22 episodes)
 * Ron Halder as Cronus (2/22 episodes)

DVD

 * Stargate SG-1: The Complete Fourth Season

Novels

 * Stargate SG-1: Alliances (just after the episode "The Other Side")

Short Stories

 * Stargate SG-1: Medical Considerations