Harry Potter Movie Theory Reveals Who's Playing Voldemort in the HBO Series - MovieWeb
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A fan theory uses the Harry Potter films' own casting logic to predict who will play Voldemort in HBO's reboot — and the internal consistency is hard to argue with.
Narrative Consistency HeuristicParasocial EngagementSpeculation TheoryCanon Fidelity

Theory Briefing
- HBO's Harry Potter reboot has yet to confirm who will replace Ralph Fiennes as Voldemort.
- A fan theory draws on patterns within the existing movies to narrow down the likely casting choice.
- The theory illustrates how audiences use narrative consistency and precedent to fill information vacuums before official announcements.