Suggestions by @alabasteri

Gary Oldman

as General Zod in The Flash [2003]

Score: +1

Willem Dafoe

as General Zod in The Flash [2003]

Score: +1

Catherine Zeta-Jones

as Diana Prince in The Flash [2003]

Score: +2

Kurt Russell

as Bruce Wayne in The Flash [2003]

Score: +2

Jessica Matten

as Sacagawea in Night at the Museum trilogy (2016-2024)

Score: +1

Donald Sutherland

as Cecil Fredericks in Night at the Museum trilogy (2016-2024)

Score: +3

Matthew Lewis

as Frodo Baggins in Harry Potter & Lord of the Rings actor swap

Score: +1

Dylan O'Brien

as Charlie Bucket in Charlie and the Chocolate Factory (2005)

Score: +1

Brie Larson

as Violet Beauregarde in Charlie and the Chocolate Factory (2005)

Score: +1

Leven Rambin

as Violet Beauregarde in Charlie and the Chocolate Factory (2005)

Score: +1

Aaron Taylor-Johnson

as Mike Teavee in Charlie and the Chocolate Factory (2005)

Score: +2

Gregory Peck

as Dr. Wonka in Charlie and the Chocolate Factory (2005)

Score: 0

Leonard Nimoy

as Dr. Wonka in Charlie and the Chocolate Factory (2005)

Score: +1

Ben Kingsley

as Willy Wonka in Charlie and the Chocolate Factory (2005)

Score: +1

Willem Dafoe

as Willy Wonka in Charlie and the Chocolate Factory (2005)

Score: 0

Timothy Spall

as Gollum in Harry Potter & Lord of the Rings actor swap

Score: +2

Michael Keaton

as Sirius Black in Harry Potter (1991-2001)

Score: +1

Ian McKellen

as Horace Slughorn in Harry Potter (1991-2001)

Score: +1

Fiona Shaw

as Minerva McGonagall in HBO Harry Potter (2017)

Score: +1

Filius Flitwick

as Gryffindor in Resorting Harry Potter Characters

Score: +1