Game of Thrones' Keisha Castle-Hughes totally fangirled over her Jaime Lannister fight 

\'Game of Thrones\' Keisha Castle-Hughes totally fangirled over her Jaime Lannister fight

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The Dorne storylines collided in "Game of Thrones" Season 5\'s sixth episode, appropriately titled with the Martell credo: "Unbowed, Unbent, Unbroken." As both the Sand Snakes and Jaime Lannister tried to get Myrcella out of the Water Gardens, they ended up crossing paths in a dramatic fight scene.

For Keisha Castle-Hughes, who plays Obara Sand, the fight was more than just a chance to showcase her new skills with a spear. It was also her first scene with Nikolaj Coster-Waldau, who plays Jaime, and that was very exciting for the longtime "Game of Thrones" fan.

"Once we started rehearsing for that big fight scene, I honestly think it took two weeks for me to get past the fact that he was Jaime Lannister and that he looks that he looks the way he looks before I finally could breathe again," she tells  Zap2it. 

Much of Castle-Hughes\' fight training is done with stunt performers, so actually working with an actor -- and not just any actor, but one of the biggest names on the show -- was terrifying for her.

RELATED: \'Game of Thrones\' Keisha Castle-Hughes knows the Sand Snakes are a big deal

"It was such a massive pressure," she says. "It\'s different when you\'re practicing with a Bulgarian stunt guy who can take a hit and doesn\'t flinch. All of the sudden I was like, \'Oh, this is an actor, and he\'s really important in the show ... so what if I hit his face?\' And they\'re like, \'No, you can\'t. You can never hit his face. Don\'t hit his face. You can never scar him.\' And I\'m like, \'Oh gosh. [

The scene was fairly short in the episode, but Castle-Hughes says she and her cast members established a backstory for the fight. They decided Obara would have called dibs on killing Jaime, which is why she was the one who fought him.

"Obara Sand is absolutely a match for Jaime Lannister, which was very exciting to play but also terrifying as well when you\'re wielding a 7-foot spear and it\'s heading straight for Nikolaj Coster-Waldau\'s face. It\'s a little bit nerve-wracking," the actress admits. "It was very surreal."

It doesn\'t help that it\'s a very attractive face. "It took me a while to accept that Nikolaj was a person and not just a drawing of a prince," Castle-Hughes says. "He literally looks like someone drew him. He looks like someone in your ideal world just drew. Have you seen that man\'s jawline? It\'s ridiculous."

"Game of Thrones" airs Sundays at 9 p.m. ET/PT on HBO.

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