Matt Smith became famous as the Eleventh Doctor in "Doctor Who."

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After "Doctor Who," Matt Smith portrayed Prince Philip in "The Crown."

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Smith earned a Primetime Emmy nomination for his role in "The Crown."

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Prince Harry jokingly called Matt Smith "granddad" after meeting him.

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Matt Smith had roles in "Terminator Genisys" and "Pride and Prejudice and Zombies."

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He appeared in the films "His House," "Patient Zero," and "The Forgiven."

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Matt Smith stars as Daemon Targaryen in "House of the Dragon."

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Daemon Targaryen is a cunning and fearless character.

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Smith's interviews show his sense of humor and fun personality.

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On "The Tonight Show," Smith joked about a fight between Jon Snow and Daemon Targaryen.

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