Suggestions by @max27

Minka Kelly

as Medusalith Amaquelin in Mcu fantastic four

Score: +2

Curran Walters

as Johnny storm in Mcu fantastic four

Score: -6

Conor Leslie

as Crystalia Amaquelin in Mcu fantastic four

Score: 0

Ryan Potter

as Silver Surfer in Mcu fantastic four

Score: 0

Anna Diop

as Ororo Munroe in Mcu fantastic four

Score: 0

Brenton Thwaites

as Reed richards in Mcu fantastic four

Score: -5

Kathleen Kennedy

as Producer in The Fantastic Four

Score: -5

Chris Terrio

as Writer in The Fantastic Four

Score: 0

J.J. Abrams

as Director in The Fantastic Four

Score: -3

Ian McDiarmid

as Harvey Elder in The Fantastic Four

Score: -4

Mark Hamill

as Galactus in The Fantastic Four

Score: -4

Oscar Isaac

as Norrin Radd in The Fantastic Four

Score: -4

John Boyega

as Namor The Sub-Mariner in The Fantastic Four

Score: -20

Adam Driver

as Ben Grimm in The Fantastic Four

Score: -17

Daisy Ridley

as Sue Storm in The Fantastic Four

Score: -18