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Many of Game of Thrones’ characters were featured in the series from beginning to end, through every time jump and every dramatic storyline. This meant that we saw some of the younger actors literally grow up on the show, while the older cast hardened and became household names through their work on the series. Not every actor stuck around for Game of Thrones’ entire duration, however, and there are actually 12 characters who were given new faces at some point during their journey in the series.
12) Rickard Karstark

Introduced in Game of Thrones season 1’s finale, “Fire and Blood,” Rickard Karstark was the head of House Karstark, close allies to the Starks. Steven Blount’s version of Rickard Karstark vows fealty to Robb Stark as King in the North in season 1, but it’s John Stahl’s Karstark who suffers the death of his son, murders Martyn and Willem Lannister as revenge, and is executed by Robb for treason in season 3. Given the character’s increased significance after season 1, it’s likely the series creators wanted a more seasoned and weathered actor in the more-demanding role.
11) Brynden Rivers’ Three-Eyed Raven

Brynden Rivers was introduced to Game of Thrones as the Three-Eyed Raven, who guided Bran Stark to his cave to train him as his successor. He made his first appearance in human form in season 4’s finale, “The Children,” but was replaced with Max von Sydow in Game of Thrones season 6. This recast allowed the Three-Eyed Raven to be more active in Bran’s training, as Rodger’s iteration was more ghostly and decrepit than Sydow’s. The character saw a younger recast for the House of the Dragon prequel, where Rivers is played by Joshua Ben-Tovim.
10) Lother Frey

One of the many sons of the vile Walder Frey, Lothar Frey was introduced in Game of Thrones season 3, originally played by Tom Brooke. When he returned in season 6, however, Frey was played by Daniel Tuite, leading many to speculate about why this recasting took place. This change likely occurred due to scheduling conflicts, as Brooke appeared in major projects such as Sherlock, Preacher, The Death of Stalin, and How to Talk to Girls at Parties shortly after the release of Game of Thrones season 6, so may have been filming these simultaneously to season 6’s production.
9) Dickon Tarly

Primarily played for comic relief, with various characters mocking him for his name, Dickon Tarly was the second but favorite son of Randyll Tarly and the younger brother of Samwell Tarly. Original actor Freddie Stroma could not reprise the role after his season 6 debut because of scheduling conflicts with his new series, Time After Time, in which he starred as H. G. Wells. Tom Hopper replaced him throughout season 7 until the character’s death at the hand of Daenerys Targaryen. This recasting was controversial, as Stroma better resembled his on-screen brother, Samwell, while Hopper’s physical appearance was vastly different.
8) Leaf

A member of the Children of the Forest, Leaf is one of Game of Thrones’ most mysterious characters. Octavia Alexandru appeared as Leaf in the season 4 finale, “The Children,” but she was recast when the character was expanded in season 6, with more-experienced Kae Alexander playing Leaf from then on. Alexander’s version of Leaf introduced the revelation that the Children of the Forest created the Night King and the White Walkers thousands of years ago. This would have been explored in the now-cancelled Bloodmoon spinoff series, which cast Doyin Ajiboye as Leaf, but her portrayal was never seen on-screen.
7) Selyse Baratheon

The wife of Stannis Baratheon, a key player in the war for the Iron Throne, Selyse Baratheon was originally played by an uncredited stand-in actor, Sarah MacKeever, in Game of Thrones season 2. She originally appeared in a scene that sees Stannis and Red Woman Melisandre burning idols of the Faith of the Seven, but Tara Fitzgerald took over the role of Selyse from season 3 until her suicide in season 5, following her husband’s murder of their daughter, Princess Shireen Baratheon. Her initial appearance was just a placeholder in the series.
6) Daario Naharis

The recasting of Second Sons sellsword Daario Naharis after Game of Thrones season 3 was a controversial choice, especially since this recast brought about major changes with the character himself. Ed Skrein originally played Naharis, who joins Daenerys Targaryen’s growing army in season 3, but left the series due to “political” reasons, as he suggested in a 2015 interview with Entertainment Weekly. Michiel Huisman replaced Skrein until Naharis chooses to remain in Meereen when Daenerys sets sail for Westeros, parting ways in Game of Thrones season 6.













