The character Teddy in The X-Files was played by Oliver Wildsmith , Jeremy Wildsmith , and Isaac Wildsmith (three young actors who shared the role).

Quick answer

  • Character: Teddy Holvey
  • Show: The X-Files
  • Actors: Oliver Wildsmith, Jeremy Wildsmith, Isaac Wildsmith (all played Teddy at different points/ages).

Who is Teddy?

Teddy Holvey is the youngest son of Steve and Maggie Holvey, a family featured in the episode “The Calusari” (Season 2, Episode 17, aired in 1995). In that episode, Dana Scully is temporarily assigned to babysit Teddy while investigating strange occurrences in the house, which turn out to be linked to a Romanian exorcism and a sinister spiritual entity.

Because Teddy is a young child in the episode, the role was split among three young actors (often credited together as “Oliver Wildsmith, Jeremy Wildsmith, Isaac Wildsmith”) to cover different filming needs and possibly slight age progression within the story.

Why so many names?

In older TV productions, especially when a child character appears in multiple scenes or over long shooting days, it’s common to:

  • Use several children of similar age to:
    • Avoid exhausting one child actor.
    • Have backups for different shots or times of day.
  • Credit them together when they’re all portraying the same character.

That’s exactly what happened with Teddy: all three Wildsmith boys are listed as the performer for “Teddy Holvey”.

TL;DR: Teddy in The X-Files was played by the trio Oliver Wildsmith, Jeremy Wildsmith, and Isaac Wildsmith , most notably in the episode “The Calusari.” Information gathered from public forums or data available on the internet and portrayed here.