Jaime Lannister crossed paths with the last person he would have imagined to find in the Riverlands, and according to star Nikolaj Coster-Waldau, his character is pretty conflicted about it. Fans have loved the relationship between Jaime and Brienne of Tarth (Gwendoline Christie) ever since the two became unlikely traveling partners in Season 2, and the pair reunited again in Sunday's "No One."

Game of Thrones: "No One" Images 14 IMAGES

It's not a reunion either character expected to happen, according to Coster-Waldau, and it didn't help that they were on opposing sides of the battlefield. I spoke with Coster-Waldau about the events of "No One," and he set the record straight about how he's playing Jaime's emotions for Brienne. He also talked a bit about why they didn't discuss the real threat on Westeros, aka the massive army of the undead north of the Wall, and where he imagines Jaime goes next after completing his mission at Riverrun.

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Nikolaj Coster-Waldau and Gwendoline Christie on Game of Thrones

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[laughs] Obviously it's the storyline that happened in Season 3 where they really did not like each other, did not respect each other. That whole truth about opposites attract. Everything about the other seemed ridiculous. The fact that she was a woman and a warrior, he just did not respect him for that. The fact that all she knew about him was that he was the most dishonorable man. If she's the Kingsguard, she will do anything. She will die for whoever she's serving, and the fact that he would kill the king, it's beyond her.And then of course, through that journey, they realize they're so much more alike than they could imagine. They, in many ways I think, share fundamental beliefs, and are both very honorable and alike in the way that they are loyal to the people they love and they will do anything to help and protect the people they love. Then it turns out, of course, you find out that actions speak louder than words. They both help each other tremendously. He helps save her from rape and the whole bear attack, and she helps him open up about what's the most traumatic event in his life, the killing of the Mad King -- finally being able to tell someone the truth.Of course, the later scenes, you constantly feel this subtext of a weird fondness and attraction between them that they never act on, and could never act on. It's intriguing. You kind of go, "Why can't you just...?" What I love about the scene last night, the set up is brilliant. When Bronn surprises Pod in front of the tent, he says, "So what do you think? Are they f--king in there? Because I know he wants to f--k her. I'm sure she wants to f--k him. So what do you think?" And then we cut in and you just see these two people standing very stiffly and very correctly and trying to avoid talking about anything really personal, but being very correct.Because the writers set this scene, the subtext is so clear that they're happy to see each other, but they don't know how to recognize that. The truth is that they've never, you know... Yes, Jaime's been with his sister his whole life and that's the love he knows, and God knows that's a version of it. Brienne, she loved Renly I think, but they would never recognize the thing that there is between them because it's just beyond imagination -- or at least they would never allow themselves to go to that place.Absolutely. That was an act of love, I think, and it is an act of love when you open up to someone and for the other one to then literally embrace you is beautiful.That's so deep rooted in this family -- and also in this world -- that you do not go against your family. You stay loyal. Also, the only one he's really trusted has been Tyrion and, to a certain extent, Cersei. To carry a secret that big with someone for that long, it gives you a bond that is difficult to understand. You also have to understand, when he comes back to King's Landing, he's still a complete outsider. I mean, especially now, everyone's after this family. He just had the briefest of experiences of what it means to openly be a father with Myrcella at the end of last season, and it was snatched away the second it happened. And now they only have Tommen left. It's the last kid in the family. The whole idea of saying, "Screw it, I'm just going to leave this thing," it would never enter his mind. He's too loyal. He just doesn't think that way.[chuckles] I think it would be very, very difficult for both of them. I mean, you have a feeling it might happen. The last bit of this scene they have is basically her saying exactly that. He doesn't say ["I hope that doesn't happen"] because he believes she'll beat him -- which she definitely would -- but it's more that he cares for her, and I think he believes that somehow they must recognize that the other one cares. I'm sure she knows he cares about her. The fact that she tries to give him back the sword Oathkeeper and he kind of says, "It's yours. It's always been yours," the subtext is it's almost like saying, "You keep my heart. It's yours. It's always been yours."It's a beautiful moment, and the next thing that happens is she says, "Oh yeah, if we meet on the battlefield, honor compels me to fight you." [laughs] The fact is, this is the second time he's [dealing with] the whole thing of falling for the wrong person, of falling for the person you're not supposed to. Like, it happened for him when he was a teenager with his sister, and it kind of happened again without him being able to acknowledge it because it's too messed up. There's no way he can act on it, and even if he did, I think she would just basically slap him, I'm sure. Brienne is not the easiest person to be around.[laughs] I saw this image , I think Gwen posted it. There was this beautiful image of Brienne and Tormund where they were like Kate and Leo from Titanic. It also seemed to me quite one-sided. I think Tormund is more into it than she is -- or maybe I'm getting protective about the Jaime situation. I'm already being jealous on his behalf.No, I don't think he has. I don't think anyone knows in King's Landing, which is weird because you have all these amazing super ravens. Well, I think they did, but it's kind of been dismissed. The same with the Daenerys gang. They also seem to be oblivious to this threat. You just hope they find out soon before everyone kills each other, and it will be too easy for the White Walkers to step in.I don't know why she didn't. There is that whole thing about when something is so incredible or insane or unbelievable you almost have to see it for yourself before you really believe it. With the White Walkers, it truly is a case in point. Even when Jon Snow tells anyone, "I've seen this," it doesn't really have that kind of affect. I always thought he was going to use the fact that he came back from the dead a little more. Like, "I know you don't want to come with me, but listen, I was resurrected. I came back from the dead."My favorite scene of this year was the scene I had with Edmure in the tent. First of all, the writing was beautiful. He was so ruthless with how he dealt with his prisoner, but he's using what he's done before in the series. He's using honesty to great effect. Like he did with Catelyn Stark early on when she's calling him dishonorable, he says, "Yeah, maybe I am, but your husband is the most honorable of all men and yet he brings back a bastard." And that's very, very hurtful because it's true. There's nothing worse than when people point out something that you wish never happened.In this scene with Edmure, he does the same thing in a very cold way. Edmure gets very upset, he gets very angry. You see he will never surrender and his uncle will never surrender, and then Jaime just points out who he is in saying to him, "I understand you're upset, but at the end of the day, the most important thing for all of us is our family. I know you have a son and you love him dearly and you want your son to do well. He's going to live after you, and I understand that, but if you don't do what I want you to do, I'm going to call for your son and I'm going to launch him into Riverrun with a catapult, and after that I'm going to kill every person in that castle. So you have a choice." It's scary, but it's also brilliant because by forcing Edmure, he breaks a man who's already spent years in captivity, but he still had his pride. [Jaime] takes that away from him, and that's brutal.I love it. I like it because he basically, even though you think he's a bastard for doing it and it's a horrible thing to do, but the fact is he takes the castle and only one person is killed and that's the Blackfish, and he didn't have to, but he wants to go down fighting because he's an idiot. That's the truth. The fact is, nobody dies. Everybody knows the Lannister army is so superior. It's going to take a long time to take the castle, thousands of people will probably die, but they'll take it -- or, do it my way, and it's simple.He has to get back. I think that's the whole focus. He knows his sister and Tommen are extremely vulnerable. This whole religious uprising, no one saw that coming and it's just taken over everything. He understands how dangerous a situation it is, and he knows that Cersei is on trial very shortly. Even though the idea is, of course, that [he] would think she's safe with the Mountain fighting for it, he's seen enough of the High Sparrow not to trust him. [laughs] So I think he wants to get back.

Terri Schwartz is Entertainment Editor at IGN. Talk to her on Twitter at @Terri_Schwartz