Actor Fabien Frankel, who portrays the character of 'Ser Criston Cole' in 'House of the Dragon', said shooting his first scene for the show was the "worst f**king experience" of his life. "I...forgot how to act...I remember going, 'This is it, I have totally f**ked it'," added Frankel. "All I had to do was roll my eyes," he stated.