Suggestions by @cw1234

Julian Bleach

as Megatron in Transformers: War For Cybertron

Mary Elizabeth Winstead

as Chelsea in Ruby Gillman: Teenage Kraken (2000)

Elisha Cuthbert

as Ruby Gillman in Ruby Gillman: Teenage Kraken (2000)

How You Remind Me

as Songs in Celebrities and things you want to see parodied in South Park

Tim Roth

as The Night Master in Yin Yang Yo! (Reboot)

Russel T. Davies

as Writer in The X-Files

Steven Moffat

as Writer in The X-Files

Pete Travis

as Director in The X-Files

Edgar Wright

as Director in The X-Files

David Arnold

as Composer in The X-Files

Murray Gold

as Composer in The X-Files

Steve Jablonsky

as Composer in The X-Files

Heather Morris

as Dana Scully in The X-Files

Dianna Agron

as Dana Scully in The X-Files

Melissa Benoist

as Dana Scully in The X-Files

Nolan Gerard Funk

as Fox Mulder in The X-Files

Darren Criss

as Fox Mulder in The X-Files

Dominic West

as Walter Skinner in The X-Files

Mark Strong

as Walter Skinner in The X-Files

Nolan Gerard Funk

as Fox Mulder in The X-Files