Tricia Helfer (Number Six/Caprica Six), Katee Sackhoff (Kara "Starbuck" Thrace), Mary McDonnell (Laura Roslin), Jamie Bamber (Lee "Apollo" Adama), James Callis (Gaius Baltar), Grace Park (Sharon Valerii/Sharon Agathon), Edward James Olmos (William Adama)
Tahmoh Penikett (Karl "Helo" Agathon), Nicki Clyne (Cally Henderson), Jennifer Halley (Seelix), Rekha Sharma (Tory Foster), Michael Hogan (Saul Tigh), Aaron Douglas (Galen Tyrol), Lucy Lawless (D'Anna Biers)
Winston Rekert (Priest), Alisen Down (Jean Barolay), Alessandro Juliani (Felix Gaeta), Ryan Robbins (Charlie Connor), Richard Hatch (Tom Zarek), Michael Trucco (Samuel Anders), Dominic Zamprogna (James "Jammer" Lyman)
Chief participates in the Circle, a secret tribunal on Galactica headed by Saul Tigh, that tries and convicts (in absentia) those accused of collaborating with the Cylons during the Occupation. Baltar faces a similar jury among the Cylons, who must decide whether he is allowed to stay with them.
Jammer: I was just trying to help people!
Tigh: You didn't do a very good job then, did you?
Number Six: Don't make me angry, Gaius.
Adama: You wouldn't like her when she's angry.
Roslin: (to Baltar) I've always wanted you.
Tigh: Well, isnít that nice. A man can turn his coat, collaborate with the enemy, contribute to the deaths of thousands, but the old man needs his phones fixed and suddenly all is forgiven?
Tigh: (to Gaeta) Hey! Look at me! As long as you're here, maybe you can help me out. I'm missing something. I lost it in detention. Since you're so buddy-buddy with the Cylons, maybe you know where it is. How about it? Do you know where my eye is?
Adama: Go sleep this off. That's an order.
Tigh: Ohhh, yeah. Just go to sleep. Forget about it all. Just forget about everything. Well I'm not forgetting. I'm not gonna forget.
Tigh: (to Connor) You think weíre a bunch of thugs, handing out punishment on a whim? Jammer didnít get airlocked because you thought he was guilty. There was evidence. You read the witness reports. He was tried and convicted by this Circle. This is about justice. You got that? Justice!
Lee: Now if you'll excuse me, I have a date with a jump rope.
Lee: Hey, I've dropped half a stone.
Adama: Keep jumping.
Baltar: You're a person. A real person. A woman, and you're in love with me. And it hurts. I know it hurts, but believe me. I am the only one that can make it better. Don't you see? I am the only one.
Caprica Six: No, this has to end.
Baltar: You need me! You need me! Admit it! Admit it, you need me! And I need you too! Did you hear me? I- I need you too!
Maybe I should've started with that.
Caprica Six: I'm a Cylon, Gaius. Somehow I lost sight of that.
Kara: My gods. The whole thing's like a bad dream, only we woke up and the traitors are all still here.
Sam: Hey! I quit because I'm not looking for ways to keep killing people.
Kara: I need this, Sam.
Sam: So what. Throwing a few people out of airlocks is gonna make you feel better about yourself? Cause believe me, those aren't the people that kept you locked in that room.
Kara: They'll do. And not just for me but for every person we left back on that planet because someone has got to pay. So you can either get with it or you can get lost.
Sam: Is that what you want Kara? You want me to leave?
Tigh: Everyone likes Gaeta so let's let him off the hook. Let's just look the other way on this one. Well, a lot of good people had to pay the price for what they did. Choices they made on New Caprica. Like my wife. That's right. Ellen collaborated, gave the Cylons information on the Resistance and she died for it. Because that's the price of collaborating with the enemy. And I liked her a lot more than I like Gaeta.
Kara: (to Sam) I'm in a different place now. I...I, I don't know how else to explain it to you, but I got out of that cell and it's like someone painted the world in different colors. And I look at you and I want to tear your eyes out just for looking at me. I just want to hurt someone and it might as well be you. So you should probably go before that happens.
Tyrol: (referring to Gaeta) He's the reason we know about the death list. He's the reason I saved Cally. He's the reason we're on this ship. He's the one who gave us the inside information. There's our source, Colonel.
Gaeta: I did what I could. I don't know what else I could have done.
Roslin: Everyone, by law, is entitled to a trial with representation. Everyone. It is not an option to be discarded at the president's whim.
Zarek: Ah. Come on Laura. You're not that naive. Let me tell you what's gonna happen if these cases go to trial. It'll consume this fleet for months. Maybe years. People will be lining up to testify against their neighbors. It'll be a circus. An entertainment for the mob and you'll be signing death warrants almost every day. Is that how you want to spend your next term Laura--as executioner in chief?
All above info taken from tv.com.