Suggestions by @yusefff

Adam Sandler

as Leonardo Dicaprio in Actors who should play best friends of other actors

Score: +1

Rosamund Pike

as Nurse Sandra in Pearl Harbor (2011)

Score: +4

Robert Sean Leonard

as Gilbert grape in What's Eating Gilbert Grape (Recast) (1993)

Score: +1

Charlie Heaton

as Jason Dean in Heathers (2018)

Score: +2

Bruce Campbell

as Rick O'Connell in The Mummy Original Trilogy (1989-1998)

Score: +6

Zach Woods

as Steve Carell in Celebrity Biopics

Score: +1

Anya Taylor-Joy

as Shelley Duvall in Biopics for famous women

Score: +1

Stop Motion

as Animation technique in Nightfall Realms

Score: +1

Keira Knightley

as Helena bonham carter in Biopics for famous women

Score: +1

Robert Sean Leonard

as Cameron Mitchell in The To Do List (1993)

Score: 0

Henry Selick

as Director in Nightfall Realms

Score: +1

Logan Lerman

as Jason bateman in Actors who should be in a father son movie

Score: +1

Robert Sean Leonard

as Peter Parker in MCU 90's (Reboot)

Score: +1

Riki Lindhome

as Lucy in Life at home

Score: +1

Riki Lindhome

as Writer in Life at home

Score: +1

Danny Pudi

as Andrew in Life at home

Score: +1

Robin Williams

as Johnny's father in Nightfall Realms

Score: +1

Spoiler

as Johnny's father in Nightfall Realms

Score: +1

Christopher Lloyd

as The king in Nightfall Realms

Score: +1

Willem Dafoe

as Maliz in Nightfall Realms

Score: +1