Suggestions by @futurefilmmaker

Rufus Sewell

as 2000s in Actors Who Could Play Scar

Alan Rickman

as 1980s/1990s in Actors Who Could Play Scar

Iwan Rheon

as Rune in Cow of the Wild

Anya Taylor-Joy

as Farleap in My pride

MIYAVI

as Prince Asitaka in Princess Mononoke

Ken Watanabe

as Gonza in Princess Mononoke

Takato Yonemoto

as Jigo in Princess Mononoke

Yosuke Kubozuka

as Kohroku in Princess Mononoke

Rory McCann

as Okkoto in Princess Mononoke

Fumi Nikaido

as San/Princess Mononoke in Princess Mononoke

Eleanor Matsuura

as Milady Eboshi in Princess Mononoke

Jack O'Connell

as Remus in Princess Mononoke

Charlie Hunnam

as Romulus in Princess Mononoke

Charlize Theron

as Moro in Princess Mononoke

MIYAVI

as Ashtaka in Princess Mononoke

Yo-Landi Visser

as Elsina (Voice and Motion Capture) in Lionboy

Keira Knightley

as Mabel Stark in Lionboy

Carey Mulligan

as Pirouette in Lionboy

Edward Holcroft

as Edward in Lionboy

David Suchet

as Major Thibaudet in Lionboy