| Characters in the Current Series |
| Main Characters: Adm. William Adama | Laura Roslin | Cpt. Kara Thrace ("Starbuck") | Cmdr. Lee Adama ("Apollo") |
| Gaius Baltar | Number Six | Number Eight (Sharon Valerii) | (Galactica-Sharon) | (Caprica-Sharon) |
| Supporting Characters: Saul Tigh | Karl Agathon ("Helo") | Dr. Cottle | Felix Gaeta | Galen Tyrol | Anastasia Dualla |
| Crashdown † | Cally | Billy Keikeya † | Elosha † | Tory Foster |
| Recurring Guest Characters: Number Five (Aaron Doral) | Leoben Conoy | Aaron Kelly | Tom Zarek |
| Louanne "Kat" Katraine | Brendan "Hotdog" Constanza | Ellen Tigh | Margaret "Racetrack" Edmonson |
| Samuel Anders | Number Three (D'anna Biers) |