Suggestions by @dingleburt

Aubrey Plaza

as Vicki Vale in Sequels to "Joker" (2019)

Score: +1

Jonathan Ross

as Jack Ryder in Sequels to "Joker" (2019)

Score: +1

Bradley Cooper

as Producer in Sequels to "Joker" (2019)

Score: +1

Todd Phillips

as Director in Sequels to "Joker" (2019)

Score: +3

Patrick Stewart

as Mr. Freeze in Sequels to "Joker" (2019)

Score: 0

Michael Sheen

as Scarecrow in Sequels to "Joker" (2019)

Score: -1

David Spade

as Riddler in Sequels to "Joker" (2019)

Score: -2

Jonah Hill

as Penguin in Sequels to "Joker" (2019)

Score: -2

Bryan Cranston

as Commissioner Jim Gordon in Sequels to "Joker" (2019)

Score: +1

Bradley Cooper

as Batman in Sequels to "Joker" (2019)

Score: +2

Douglas Hodge

as Alfred Pennyworth in Sequels to "Joker" (2019)

Score: +5

Joaquin Phoenix

as Joker in Sequels to "Joker" (2019)

Score: +3