Suggestions by @druidmaster

Mad Hatter (DC)

as Bob Hoskins in What if this actor played

Score: +1

Ren McCormack

as Val Kilmer in What if this actor played

Score: +1

Doctor Stephen Strange

as Jeff Goldblum in What if this actor played

Score: +3

Imperial Officers

as Powers Boothe in What if this actor played

Score: +1

Twi'lek

as Lily Rose-Depp in What if this actor played

Score: +2

Magic User

as Julian Sands in What if this actor played

Score: +1

Aayla Secura

as Julianne Hough in What if this actor played

Score: +1

Cornelius Fudge

as Roddy McDowall in What if this actor played

Score: +1

Magic User

as Roddy McDowall in What if this actor played

Score: +1

Grand Admiral Thrawn

as Roddy McDowall in What if this actor played

Score: +1

Senator Robert Kelly

as Gregory Peck in What if this actor played

Score: +1

Gabriella Wilde

as Emma Watson in Actor and Actress who should play Siblings

Score: +1

Lily James

as Emma Watson in Actor and Actress who should play Siblings

Score: +1

Lily Collins

as Emma Watson in Actor and Actress who should play Siblings

Score: +1

Millie Bobby Brown

as Emma Watson in Actor and Actress who should play Siblings

Score: +1

Jessica Alexander

as Emma Watson in Actor and Actress who should play Siblings

Score: +1

Emilia Clarke

as Emma Watson in Actor and Actress who should play Siblings

Score: +1

Katie McGrath

as Emma Watson in Actor and Actress who should play Siblings

Score: +1

Daisy Ridley

as Emma Watson in Actor and Actress who should play Siblings

Score: +1

Keira Knightley

as Emma Watson in Actor and Actress who should play Siblings

Score: +1