| Edward James Olmos | Commander William Adama |
| Mary McDonnell | President Laura Roslin |
| Katee Sackhoff | Lt. Kara 'Starbuck' Thrace
(credit only) |
| Jamie Bamber | Cpt. Lee 'Apollo' Adama |
| James Callis | Dr. Gaius Baltar |
| Tricia Helfer | Number Six |
| Grace Park | Lt. Sharon 'Boomer' Valerii
(credit only) |
| Michael Hogan | Colonel Saul Tigh |
| Aaron Douglas | Chief Galen Tyrol |
| Tahmoh Penikett | Lt. Karl 'Helo' Agathon
(credit only) |
| Paul Campbell | Billy Keikeya |
| Nicki Clyne | Crewman Specialist Cally Henderson |
| Alessandro Juliani | Lt. Felix Gaeta |
| Kandyse McClure | Officer Anastasia Dualla |
| Sam Witwer | Crashdown |
| Kate Vernon | Ellen Tigh |
| Donnelly Rhodes | Dr. Cottle |
| Richard Hatch | Tom Zarek |
| Kerry Norton | Paramedic Layne Ishay |
| Kurt Evans | Paramedic Howard Kim |
| Chris Shields | Cpl. Venner |
| Jen Halley | Seelix
(as Jennifer Halley) |
| Leah Cairns | Racetrack |
| Patricia Idlette | Sarah Porter |
| Malcolm Stewart | Marshall Bagot |
| Troy Everett | Marine
(as T-Roy Kozuki) |