Suggestions by @joshdrew

Josh Brolin

as Director in The Super-Humans

Score: -1

JoshTheDrew

as The Ninth Doctor in Doctor Who (MyCast Edition)

Score: +1

Nicholas Briggs

as Daleks in Doctor Who

Score: +3

Michael Sheen

as The Doctor in Doctor Who

Score: +3

Keanu Reeves

as Jack Sparrow in Pirates of the Carribean : REBOOT

Score: 0

Peter Capaldi

as Willy Wonka in Charlie and the Chocolate Factory

Score: -1

Mark Rylance

as Willy Wonka in Charlie and the Chocolate Factory

Score: -4

Mark Rylance

as Willy Wonka in Willy Wonka & the Chocolate Factory

Score: +1

Michael B. Jordan

as Superman in Fancast DC

Score: -3