Suggestions by @odonnellii

Peter Dinklage

as Mr. Mxyzptlk in Superman

Michael McElhatton

as Lex Luthor in Superman

Michael McElhatton

as Lex Luthor in Justice League

Alfie Allen

as Mick Jagger in The Rolling Stones Biopic

Simon Pegg

as Bluefingers in Warbreaker

Zuleikha Robinson

as Jewels in Warbreaker

Jason Statham

as Denth in Warbreaker

Aimee Richardson

as Jill Pole in The Chronicles of Narnia

Stephen Merchant

as Puddleglum in The Chronicles of Narnia

Chiwetel Ejiofor

as Brian Braddock in Captain Britain

Georgina Haig

as Zelda in The Legend of Zelda

Domhnall Gleeson

as Lightsong in Warbreaker

Iwan Rheon

as Nightblood in Warbreaker

Sean Bean

as Vasher in Warbreaker

Josh Hutcherson

as Susebron in Warbreaker

Gugu Mbatha-Raw

as Vivena in Warbreaker

Alexandra Shipp

as Siri in Warbreaker

Michael Giacchino

as Composer in Warbreaker

J.J. Abrams

as Writer in Warbreaker

J.J. Abrams

as Producer in Warbreaker