| Edward James Olmos | Admiral William Adama |
| Mary McDonnell | President Laura Roslin |
| Katee Sackhoff | Captain Kara 'Starbuck' Thrace |
| Jamie Bamber | Major Lee 'Apollo' Adama |
| James Callis | Dr. Gaius Baltar |
| Tricia Helfer | Number Six /
Caprica |
| Grace Park | Lt. Sharon 'Athena' Agathon |
| Michael Hogan | Colonel Saul Tigh |
| Aaron Douglas | Chief Galen Tyrol |
| Alessandro Juliani | Lt. Felix Gaeta |
| Tahmoh Penikett | Captain Karl 'Helo' Agathon |
| Nicki Clyne | Crewman Specialist Cally Tyrol
(credit only) |
| Kandyse McClure | Lt. Anastasia Dualla |
| Richard Hatch | Tom Zarek |
| Donnelly Rhodes | Dr. Cottle |
| Rekha Sharma | Tory Foster |
| Bruce Davison | Dr. Michael Robert |
| Leah Cairns | Racetrack |
| Ryan Robbins | Charlie Connor |
| Colin Lawrence | Lt. Hamish 'Skulls' McCall |
| Chris Boyd | Cheadle |
| Colin Corrigan | Marine Allan Nowart |
| Gabrielle Rose | Mrs. King |
| Scott Little | Willie King |
| Aaron Brooks | Mr. Buckminster |
| James Lafazanos | Civvie |
| Eliza Norbury | Civvie #2 |