Suggestions by @boomstick2000

Dwayne Johnson

as Namor in Fantastic Four 2: War Between Kingdoms (2004)

Score: +3

Terence Stamp

as Bert Hanson in Horrible Bosses (1991-1994)

Score: +4

Dan O'Herlihy

as Jack Pellit in Horrible Bosses (1991-1994)

Score: +2

Phil Hartman

as Nick Hendricks in Horrible Bosses (1991-1994)

Score: +4

Dennis Miller

as Kurt Buckman in Horrible Bosses (1991-1994)

Score: +3

Jon Lovitz

as Dale Arbus in Horrible Bosses (1991-1994)

Score: -1

Susan Sarandon

as Dr. Julia Harris, D.D.S. in Horrible Bosses (1991-1994)

Score: +5

George Clooney

as Rex Hanson in Horrible Bosses (1991-1994)

Score: +4

Al Pacino

as Dave Harken in Horrible Bosses (1991-1994)

Score: +5

Gary Oldman

as Bobby Pellit in Horrible Bosses (1991-1994)

Score: +6

Samuel L. Jackson

as Dean MF Jones in Horrible Bosses (1991-1994)

Score: +1

Adam Driver

as John Travolta & Nicolas Cage in Almost Cast Counterparts: Face/Off (2017)

Score: +1

Black Panther (T'Challa)

as Next Project: in Avengers: Earth's Mightiest Heroes (2003)

Score: +2