Edward James Olmos Adm. William Adama Actor Mary McDonnell President Laura Roslin Actor Katee Sackhoff Capt. Kara "Starbuck" Thrace Actor Jamie Bamber Maj. Lee "Apollo" Adama Actor James Callis Dr. Gaius Baltar Actor Tricia Helfer Number Six Actor Grace Park Lt. Sharon "Boomer" Valerii Actor Michael Hogan Col. Saul Tigh Actor Aaron Douglas Chief Galen Tyrol Actor Nicki Clyne Crewman Specialist Cally Henderson Actor Alessandro Juliani Lt. Felix Gaeta Actor Kandyse McClure Officer Anastasia Dualla Actor Richard Hatch Tom Zarek Guest Star Donnelly Rhodes Dr. Cottle Guest Star John Heard Cmdr. Barry Garner Guest Star Christian Tessier Tucker "Duck" Clellan Guest Star Stefanie von Pfetten Capt. Marcia "Showboat" Case Guest Star Kavan Smith Lt. Richard "Buster" Baier Guest Star Amber Rothwell Rya Kibby Guest Star Patricia Idlette Sarah Porter Guest Star Rekha Sharma Tory Foster Guest Star Brad Dryborough Hoshi Guest Star Aaron Pearl Ensign Abel Thornton Guest Star Christina Schild Playa Palacios Guest Star Tammy Hui ECO Lyla "Shark" Ellway Guest Star Jamie Bell Lt. Steve "Red Devil" Fleer Guest Star Kimani Ray Smith Pegasus Sergeant Guest Star Kurt Max Runte Ensign Charles Bellamy Guest Star Sergio Mimica-Gezzan Director Jeff Vlaming Writer