We revisit the 10 most memorable guest performances in The X-Files' long history.

This article originally appeared onDen of Geek UK.

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10.

Joe Morton as Martin Wells inRedrum

Redrum isThe X-Files backwards episode.

Its a touching, very human performance that emphasises the personal drama at the heart of the story.

Giovanni Ribisi as Darren Peter Oswald and Jack Black as Bart Zero Liquori inD.P.O.

Carrie Hamilton looks both absolutely broken and yet inwardly strong from the start, and carries the episode expertly.

An expertly honed performance in an expertly written and produced episode.