Suggestions by @micahmadera

Ralph Fiennes

as Professor X in X-Men (MCU)

Milo Gibson

as Wolverine in X-Men (MCU)

Liam O'Brien

as Draugluin in The Silmarillion

Jamie Bell

as Celegorm in The Silmarillion

Robert Pattinson

as Finrod Felagund in The Silmarillion

Vincent Regan

as Huan in The Silmarillion

Ewan McGregor

as Elu Thingol in The Silmarillion

Imogen Poots

as Lúthien in The Silmarillion

Joe Dempsie

as Beren in The Silmarillion

Jeremy Irons

as Glaurung in The Silmarillion

Mads Mikkelsen

as Morgoth in The Silmarillion

Tony Curran

as Mîm in The Silmarillion

Will Poulter

as Beleg Cúthalion in The Silmarillion

Isla Fisher

as Melian in The Silmarillion

Cillian Murphy

as Elu Thingol in The Silmarillion

Nikolaj Coster-Waldau

as Húrin Thalion in The Silmarillion

Florence Pugh

as Niënor in The Silmarillion

Taron Egerton

as Túrin Turambar in The Silmarillion

Ewan McGregor

as Professor X in X-Men (MCU)

Ben Barnes

as Gambit in X-Men (MCU)