After the destruction of the Twelve Colonies of Mankind, the last major fighter carrier leads a makeshift fugitive fleet in a desperate search for the legendary planet Earth.
| Actor | Role |
|---|---|
 Richard HatchCapt. Apollo | Capt. Apollo |
 Dirk BenedictLt. Starbuck | Lt. Starbuck |
 Lorne GreeneCmdr. Adama | Cmdr. Adama |
 Herbert Jefferson Jr.Lt. Boomer | Lt. Boomer |
 Maren JensenLt. Athena | Lt. Athena |
 Laurette SpangCassiopeia | Cassiopeia |
 Terry CarterCol. Tigh | Col. Tigh |
 Tony SwartzFlight Sgt. Jolly | Flight Sgt. Jolly |
 Jane SeymourSerina | Serina |
 Randi OakesBlonde Tauron | Blonde Tauron |
| SSarah RushFlight Corporal Rigel | Flight Corporal Rigel |
 Noah HathawayBoxey | Boxey |
 John ColicosBaltar | Baltar |
 John FinkDr. Paye | Dr. Paye |
 Ed Begley Jr.Flight Sgt. Greenbean | Flight Sgt. Greenbean |
 Rick SpringfieldLt. Zac | Lt. Zac |
 David MatthauOperative | Operative |
 Patrick MacneeImperious Leader (voice) | Imperious Leader (voice) |
 Bruce WrightDeck Hand | Deck Hand |
 Lew AyresPresident Adar | President Adar |
 Wilfrid Hyde-WhiteSire Anton | Sire Anton |
 Ray MillandSire Uri | Sire Uri |
| DDavid GreenanFlight Officer Omega | Flight Officer Omega |
 Harry JohnsonWarrior #1 | Warrior #1 |
| GGeoffrey BinneyWarrior #2 | Warrior #2 |
 Paul CoufosPilot | Pilot |