Suggestions by @melonius

Ahmed Zaki

as Ra's al Ghul in Batman Motion Picture Anthology

Marlon Wayans

as Richard "Dick" Grayson in Batman Motion Picture Anthology

Aramis Knight

as Dick Grayson in The Kryptonian Epic

Hideyoshi Kan

as Kakyoin Noriaki in Jojo’s Bizarre Adventure: Stardust Crusaders

Jenna Ortega

as Mariah in Jojo’s Bizarre Adventure: Stardust Crusaders

Aaron Taylor-Johnson

as Daniel J. D’Arby in Jojo’s Bizarre Adventure: Stardust Crusaders

Dan Stevens

as Rudol von Stroheim in Jojo's Bizarre Adventure: Battle Tendency

Destin Daniel Cretton

as Director in Jojo’s Bizarre Adventure: Phantom Blood

Luke Evans

as George Joestar I in Jojo’s Bizarre Adventure: Phantom Blood

Harris Dickinson

as Robert E. O. Speedwagon in Jojo’s Bizarre Adventure: Phantom Blood

Louis Partridge

as Dio Brando in Jojo’s Bizarre Adventure: Phantom Blood

Sophia Di Martino

as Catwoman in Batman '89

White Queen (Emma Frost)

as Marilyn Monroe in Characters golden age stars could have played

Dave Bautista

as Bowser in Super Mario Bros.

Henry Golding

as Superman in Casting Every Superman Character