10 Actors You Didn't Know Played TWO Characters On TV Shows

7. Terry O'Quinn - The X-Files

SOOTHSAYER AMY POND
Fox

Long before he won the career-defining role of John Locke on Lost, Terry O'Quinn was a quintessential "that guy" character actor in both TV and film, appearing in countless hit series including The X-Files, where he played Lt. Brian Tillman in the show's second-season episode "Aubrey."

And seven years to the very day that this episode aired, O'Quinn re-appeared as an entirely different character in the season nine episode "Trust No 1," taking the role of the NSA operative known only as "Shadow Man."

But better still, O'Quinn has actually played three characters in X-Files media, given that he also portrayed Special Agent in Charge Darius Michaud in the 1998 X-Files movie.

Clearly the actor made quite an impression on the series' creator Chris Carter, who also cast him in two more of his sci-fi series, Harsh Realm and Millennium (the latter even existing within the same universe as The X-Files).

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Stay at home dad who spends as much time teaching his kids the merits of Martin Scorsese as possible (against the missus' wishes). General video game, TV and film nut. Occasional sports fan. Full time loon.