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25 years of Harry Potter: Game of Thrones actors who were a part of the magical world

Updated On: 31 August, 2026 04:12 PM IST | Rachel Pereira

Think you know Hogwarts and Westeros? From Michelle Fairley to Natalia Tena, these actors appeared in both the Harry Potter and Game of Thrones worlds.

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01
Harry Potter and Game of Thrones. Pics via IMDb
Harry Potter and Game of Thrones. Pics via IMDb
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David Bradley went from Hogwarts’ grumpy caretaker Argus Filch in Harry Potter to the equally ruthless Lord Walder Frey in Game of Thrones, making him one of the most memorable crossovers
David Bradley went from Hogwarts’ grumpy caretaker Argus Filch in Harry Potter to the equally ruthless Lord Walder Frey in Game of Thrones, making him one of the most memorable crossovers
03
Before becoming the fiercely protective Catelyn Stark in Game of Thrones, Michelle Fairley had a brief Harry Potter appearance as Hermione Granger’s mother, Mrs Granger
Before becoming the fiercely protective Catelyn Stark in Game of Thrones, Michelle Fairley had a brief Harry Potter appearance as Hermione Granger’s mother, Mrs Granger
04
Natalia Tena traded her wand for life beyond the Wall. She played Nymphadora Tonks in Harry Potter before becoming the wildling Osha in Game of Thrones
Natalia Tena traded her wand for life beyond the Wall. She played Nymphadora Tonks in Harry Potter before becoming the wildling Osha in Game of Thrones
05
Ciaran Hinds played Aberforth Dumbledore in Harry Potter and later took charge of the Free Folk as Mance Rayder in Game of Thrones
Ciaran Hinds played Aberforth Dumbledore in Harry Potter and later took charge of the Free Folk as Mance Rayder in Game of Thrones
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Jim Broadbent went from collecting talented students as Professor Slughorn at Hogwarts in Harry Potter to studying the mysteries of Westeros as Archmaester Ebrose in Game of Thrones
Jim Broadbent went from collecting talented students as Professor Slughorn at Hogwarts in Harry Potter to studying the mysteries of Westeros as Archmaester Ebrose in Game of Thrones
07
Freddie Stroma’s Harry Potter character Cormac McLaggen was all swagger. In Game of Thrones, he played Dickon Tarly, Samwell’s younger brother
Freddie Stroma’s Harry Potter character Cormac McLaggen was all swagger. In Game of Thrones, he played Dickon Tarly, Samwell’s younger brother 
08
Ralph Ineson had two very different worlds to conquer, playing Death Eater Amycus Carrow in Harry Potter and Dagmer Cleftjaw in Game of Thrones
Ralph Ineson had two very different worlds to conquer, playing Death Eater Amycus Carrow in Harry Potter and Dagmer Cleftjaw in Game of Thrones
09
Julian Glover had a rather unusual Harry Potter role, he voiced the giant spider Aragog. In Game of Thrones, he appeared on screen as Grand Maester Pycelle
Julian Glover had a rather unusual Harry Potter role, he voiced the giant spider Aragog. In Game of Thrones, he appeared on screen as Grand Maester Pycelle
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Rhys Ifans played eccentric wizard Xenophilius Lovegood in Harry Potter before entering Westeros as the calculating Otto Hightower in Game of Thrones spinoff House of the Dragon
Rhys Ifans played eccentric wizard Xenophilius Lovegood in Harry Potter before entering Westeros as the calculating Otto Hightower in Game of Thrones spinoff House of the Dragon
11
Nicholas Blane appeared in Harry Potter as Ministry of Magic employee Bob. Years later, he travelled to Meereen to play the Spice King in Game of Thrones
Nicholas Blane appeared in Harry Potter as Ministry of Magic employee Bob. Years later, he travelled to Meereen to play the Spice King in Game of Thrones
12
Bronson Webb’s Harry Potter appearance came as a Slytherin student associated with Draco Malfoy’s gang. He later joined the Night’s Watch as Will in Game of Thrones
Bronson Webb’s Harry Potter appearance came as a Slytherin student associated with Draco Malfoy’s gang. He later joined the Night’s Watch as Will in Game of Thrones

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