Emilia Clarke has revealed that her brother was on the set of Game Of Thrones while she and Kit Harington filmed their first sex scene.The actor, who played Daenerys Targaryen in the hit HBO fantasy series, recalled the awkward moment while speaking on stage after the release of her Marvel series Secret Invasion.She reunited with her co-star Harington during an audience panel at the Superhero Comic Con and Car Show in Texas, which took place last week (July 7-9) where they remembered show’s seventh season in which Daenerys and Jon Snow (Harington) start a romantic relationship.“I do remember the day, our sex scene day, and my brother was there,” Clarke said (via Metro).“My brother was in the camera department and he was on set that day,” she continued. “It was literally like, ‘Mate! You’ve got to get him out of here.