Season 4 was a time of significant changes in the cast lineup.
Struggled to find his place as a one-handed Kingslayer in a court that despised him, often siding with his brother over his sister.
The third actor to play the monstrous Ser Gregor, Björnsson brought an intense physicality to the pivotal Trial by Combat scene. The Ensemble Cast: Beyond King's Landing
While not bad, Clarke’s Season 4 arc is her weakest. She spends most of the season in Meereen making speeches about breaking chains, but the material gives her little range beyond “noble liberator.” Compared to the moral complexity in King’s Landing, Dany’s plot feels static. Clarke does well with what she’s given, but she’s overshadowed by the Lannisters and Martells.
Made his final, iconic appearances as the petulant King Joffrey in the show's early episodes.
The Season 4 cast solidified the show's reputation for complex character development and high-stakes drama, setting the stage for the increasingly desperate battles in the final seasons. Game of Thrones: Season 4 (2014) - Cast & Crew - TMDB
He sat in a room full of people who screamed in terror at his demise. He later joked that he had to comfort them , telling his friends, "It’s okay, I’m still alive!" while they stared at him, traumatized by what they had just watched.
Navigated her escape from King's Landing and her new, dangerous life in the Vale with Petyr Baelish.
Daenerys’s loyal protector, whose loyalty was severely tested.
Continued her search for the Stark girls, and was promoted to the main cast this season.