Suggestions by @matthewjackson

Willem Dafoe

as Connor in Henry And Ewan

Vin Diesel

as Composer in Henry And Ewan

Dwayne Johnson

as Akira in Henry And Ewan

Steve Carell

as Lewis in Henry And Ewan

Ryan Gosling

as Ewan in Henry And Ewan

Jonah Hill

as Snenurt in Henry And Ewan

Kevin Bacon

as Kevin Bacon in Henry And Ewan

Peter Dinklage

as Joe in Henry And Ewan

Marilyn Manson

as Finlay in Henry And Ewan

Colin Farrell

as Freddie in Henry And Ewan

Kevin Hart

as Alex in Henry And Ewan

Tim Curry

as The Watcher in Third Life/Last Life Minecraft SMP

Michael Trevino

as Bdubs in Third Life/Last Life Minecraft SMP

Olly Alexander

as Scott Smajor in Third Life/Last Life Minecraft SMP

Tom Felton

as Martyn in Third Life/Last Life Minecraft SMP

Matt Smith

as Impulse in Third Life/Last Life Minecraft SMP

David Tennant

as Ren in Third Life/Last Life Minecraft SMP

Andrew Scott

as Skizzle in Third Life/Last Life Minecraft SMP

Ross Lynch

as Tango in Third Life/Last Life Minecraft SMP