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Christopher Lloyd and Michael J. Fox Recall Stoltz’s Late Replacement on Back to the Future

An Interview magazine conversation frames a mid‑shoot recast as a production disruption that resulted in strong Doc–Marty chemistry.

Overview

  • The Interview magazine conversation published Wednesday, Oct. 28, 2026, quotes Christopher Lloyd saying he was stunned when Steven Spielberg told the cast Michael J. Fox would replace Eric Stoltz.
  • Lloyd recounted that he had already filmed roughly six weeks of scenes and was frustrated at the prospect of reshooting that work, but he said Fox’s spontaneity and humor ultimately made the change work.
  • Michael J. Fox told Lloyd he needed to lock in with Doc to feel secure on set and praised Lloyd for being open and welcoming during the difficult switch.
  • The exchange is presented as part of current publicity for Lloyd, who recently marked his 88th birthday and released a memoir, and the remarks reiterate a long‑documented casting decision rather than reveal new facts.
  • The account highlights how a mid‑shoot casting decision can force costly reshoots and prompt emotional strain for actors while also showing that quick actor collaboration can shape a film’s final success.