Editing Space: Above and Beyond (section)

=== Guest stars ===
* [[Coolio]] — The Host (in episode "[[R&R (military)|R & R]]")
* [[Amanda Douge]] — Kylen Celina (in episodes "Pilot", "Choice or Chance", "...Tell Our Moms We Done Our Best")
* [[David Duchovny]] (uncredited<ref>{{Cite web|url=https://www.imdb.com/name/nm0000141/ |title=David Duchovny|website=IMDb}}</ref>) — Alvin El 1543 aka "Handsome Alvin" (Silicate in episode "R & R")
* [[Dale Dye]], Capt., USMC (ret.) — Major Jack Colquitt (USMC) (in episode "Who Monitors the Birds?") 
* [[R. Lee Ermey]], GySgt., USMC (ret.) (uncredited) — Sergeant Major Frank Bougus (USMC) (in the pilot episode)
* [[Adam Goldberg]] — Sergeant 1st Class Louie Fox, [[7th Cavalry Regiment|Seventh Cavalry]], U.S. Army (in episode "Pearly")
* Steve Rankin — Lieutenant Colonel Raymond Thomas Butts, callsign "Kick Butts" (in episode "Raymond Butts")
* [[Harriet Sansom Harris]] — Ambassador Diane Hayden (Secretary General, UN)
* [[Richard Kind]] — Colonel Burke (in episode "Level of Necessity")
* [[Martin Jarvis (actor)|Martin Jarvis]] — Major Cyril MacKendrick ([[British Army]] - in episode "Pearly")
* Ronald G. Joseph — General Oliver Ranford (USMC) (in episode "Stardust")
* [[Gail O'Grady]] (uncredited) — Colonel Klingman (in episode "Stardust")
* Jennifer Balgobin — Communications Lieutenant Price (USN) (in episode "Sugar Dirt")