TMDb/Firefly Celebrity Nathan Fillion confirms a Firefly animated revival recast: Shepherd Book returns, voiced by a new actor following Ron Glass's passing. March 20, 2026 AceShowbiz - Nathan Fillion has confirmed a major recasting detail for the upcoming animated revival of the beloved sci-fi series Firefly. While the core cast from the original show is set to return, one iconic character will be voiced by a new actor.
AceShowbiz
Critical Nathan Fillion Confirms Firefly's Shepherd Book Recast For Animated Series
March 20, 2026
13 days ago
12 celebrities mentioned
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