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#2 Diana Rigg As Emma Peel (In 1961's The Avengers) And As Olenna Tyrrel (In GoT)

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#3 Young Kit Harington And As Jon Snow (In GoT)

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#4 Iain Glenn As Carl Galton (In 1988's The Fear) And As Ser Jorah Mormont (In GoT)

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#5 Young Kristofer Hivju And As Tormund Giantsbane (In GoT)

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#6 Lena Headey As Young Mary (In 1992's Waterland) And As Cersei Lannister (In GoT)

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#7 Emilia Clarke When She Was A Child And As Daenerys Targaryen

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#8 Charles Dance As David Carlton (In 2002's Ali G Indahouse) And As Tywin Lannister (In GoT)

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#9 Gwendoline Christie As Lexi (In 2012's Wizards Vs. Aliens) And As Brienne Of Tarth (In GoT)

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#10 Young Hafþór Júlíus Björnsson And As The Mountain (In GoT)

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#11 Carice Van Houten As Suzy (In 1999's Suzy Q) And As Melisandre (In GoT)

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#12 Natalie Dormer As Victoria (In 2005's Casanova) And As Margaery Tyrell (In GoT)

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#13 Aidan Gillen As Frank (In 2000's The Low Down) And As Petyr Baelish (In GoT)

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#14 Sean Bean As Horace Clark (In A 1984 Episode Of The Bill) And As Ned Stark (In GoT)

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#15 Peter Dinklage As Finbar Mcbride (In 2003's The Station Agent) And As Tyrion Lannister (In GoT)

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#16 Sophie Turner When She Was A Child And As Sansa Stark (In GoT)

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#17 Ross Mullan As Puppeteer (In 2007's Bear Behaving Badly) And As White Walker (In GoT)

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#18 Tom Wlaschiha (In 2008's Spoons) And As Jaqen H'gar (In GoT)