20. Glenthin Anthony
Glenthin Anthony played Renly Baratheon, who was murdered using blood magic and the beginning of Season 2, sending the events of that season spiraling into chaos. Renly was the brother of Robert and Stannis Baratheon, and had tried to claim the Iron Throne for himself. After his character’s death, Gethin Anthony left the show and went on to voice a character in the new Mass Effect game, and also played Charles Manson in NBC’s drama, Aquarius.
21. Oona Chaplin
It was the episode that left the world silent. You can see all sorts of reactions on Youtube. “The Rains of Castamere” is, probably, the most infamous episode in TV history. Oona Chaplin’s character, Talisa, was killed during that episode. She was Robb Stark’s wife, and pregnant with their first child when she died.
Oona has gone on to star opposite some other Game of Thrones actors and Tom Hardy in FX’s new historical drama, Taboo.