| 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
(credit only) |
| Tricia Helfer | Number Six
(credit only) |
| 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 |
| Kandyse McClure | Lt. Anastasia Dualla |
| Lucinda Jenney | Carolanne Adama |
| Bodie Olmos | Brendan 'Hot Dog' Constanza |
| Jen Halley | Seelix
(as Jennifer Halley) |
| Sebastian Spence | Narcho |
| Don Thompson | Specialist 3rd Class Anthony Figurski |
| Michael Leisen | Pvt. Stewart Jaffee
(as Mike Leisen) |