| Edward James Olmos | Admiral William Adama |
| Mary McDonnell | President Laura Roslin |
| Katee Sackhoff | Captain Kara 'Starbuck' Thrace |
| Jamie Bamber | Lee Adama |
| James Callis | Dr. Gaius Baltar |
| Tricia Helfer | Number Six /
Caprica |
| Grace Park | Lt. Sharon 'Athena' Agathon
(credit only) |
| Michael Hogan | Colonel Saul Tigh |
| Aaron Douglas | Chief Galen Tyrol |
| Michael Trucco | Ensign Samuel Anders |
| Kate Vernon | Ellen Tigh |
| Rekha Sharma | Tory Foster |
| Keegan Connor Tracy | Jeanne |
| Leah Cairns | Lt. Margaret Edmondson |
| Colin Lawrence | Lt. Hamish 'Skulls' McCall |
| Don Thompson | Specialist 3rd Class Anthony Figurski |
| Leela Savasta | Tracey Anne |
| Lara Gilchrist | Paulla Schaffer |
| Donna Soares | Speaking Delegate #1 |
| Andrew McIlroy | Jacob Cantrell |
| Judith Maxie | Picon Delegate |
| Iris Paluly | Speaking Delegate #2 |
| Marilyn Norry | Reza Chronides |
| Heather Doerksen | Sgt. Brandy Harder |
| Laara Sadiq | Priestess |
| Karen Austin | Lilly |
| Steve Lawlor | Marine at Baltar's |
| Hector Johnson | Marine Lieutenant |
| Lee Jeffery | Lt. Paolo 'Redwing' McKay |
| Nicki Clyne | Calandra 'Cally' Henderson Tyrol
(archive footage) (uncredited) |
| Rob Hayter | Sons of Ares Leader
(uncredited) |