Break-Up Rumors, Is Nathan Fillion Single Again?

  • By Zach Selby
  • Ottawa
  • Last updated on

Is the 55-year-old actor officially back on the market?

Are celebrities more likely to divorce or break up? Earlier this week news reports surfaced that Nathan Fillion, 55, and his partner had split up. Is the actor best known for his roles in Castle, Serenity, Firefly or Saving Private Ryan really single again?

UPDATE 13/09/2026 : This story seems to be false. (read more)

Fillion spotted alone

A fan spotted Nathan Fillion walking alone, probably coming back from picking up his mail at the end of his several mile long driveway, on the afternoon of September 11, 2026. Was he all alone? “Definitely yes,” says the fan, adding that “He was wearing a large sweater and looked really cute!”

Is Nathan back on the market?

A rep for Nathan Fillion was not immediately available for comment.

Truth or rumor, when news that the actor was splitting hit the internet Saturday (September 12), Twitter immediately exploded with pithy commentary. It seems everyone had an opinion on the matter:

“Has anyone Nathan’s phone number?”
— Michelle Whedon (@mimiwhedon) September 12, 2026
“So very sad… Those 2 were so great as a couple. So cute together.”
— Crystal (@crystal_clear) September 12, 2026

Based on the facts (Fillion spotted alone with a cute sweater), is there trouble in paradise or is it much ado about nothing?

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