Edward James Olmos Cmdr. William Adama Actor, Director Mary McDonnell President Laura Roslin Actor Katee Sackhoff Lt. Kara "Starbuck" Thrace Actor Jamie Bamber Capt. 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 Tahmoh Penikett Lt. Karl "Helo" Agathon Guest Star Kandyse McClure Officer Anastasia Dualla Guest Star Paul Campbell Billy Keikeya Guest Star Alessandro Juliani Lt. Felix Gaeta Guest Star Sam Witwer Crashdown Guest Star Alonso Oyarzun Socinus Guest Star Nicki Clyne Cally Guest Star Donnelly Rhodes Dr. Cottle Guest Star Christina Schild Playa Kohn Actor Bodie Olmos Brendan "Hot Dog" Constanza Guest Star Biski Gugushe Reporter Sekou Hamilton Guest Star Michael Rymer Director Rod Hardy Director Allan Kroeker Director Sergio Mimica-Gezzan Director Brad Turner Director Jeff Woolnough Director Jonas Pate Director Robert M. Young Director Marita Grabiak Director Ronald D. Moore Writer Bradley Thompson Writer Jeff Vlaming Writer Carla Robinson Writer Toni Graphia Writer Michael Angeli Writer David Weddle Writer