It's not just Matt Smith's delivery that makes this such a great moment, either. There's the rising score from Murray Gold, ...

Matt Smith's iconic catchphrase "Geronimo!" began in his Doctor's regeneration scene. Smith's use of "Geronimo!" became a fan favorite, tying him to one of Doctor Who's most iconic runs.

Matt Smith Reveals the One Thing That's 'Hard' About Shooting House of the Dragon: 'I Can't Go Through It Again' Matt Smith Has 'Not Heard a Thing' About House of the Dragon Season 3 Matt Smith ...

When it comes to actors who score parts in iconic franchises, Matt Smith is certainly one to watch. From Doctor Who to House of the Dragon, Smith has consistently shown range and depth in his roles.