Suggestions by @jacobking1

Charlton Heston

as MacReady in The Thing in Classic Hollywood (50s)

Score: +3

James Edwards

as Childs in The Thing in Classic Hollywood (50s)

Score: +2

Alan Rickman

as Loki in Avengers: Infinity War (1988)

Score: +2

Jeremy Irons

as Vision in Avengers: Infinity War (1988)

Score: +4

Michael Biehn

as Bucky Barnes in Avengers: Infinity War (1988)

Score: +5

Michael J. Fox

as Peter Parker in Avengers: Infinity War (1988)

Score: +6

Kevin Costner

as Steve Rogers in Avengers: Infinity War (1988)

Score: +4

Michelle Pfeiffer

as Natasha Romanoff in Avengers: Infinity War (1988)

Score: +4

Mel Gibson

as Tony Stark in Avengers: Infinity War (1988)

Score: +2

Robert Yeoman

as Cinematographer in Wes Anderson's Danny Champion of the World

Score: +2

Wes Anderson

as Director in Wes Anderson's Danny Champion of the World

Score: +1

John Carradine

as Dmitri in The Grand Budapest Hotel in Classic Hollywood (1950s)

Score: +2

Edward G. Robinson

as Ludwig in The Grand Budapest Hotel in Classic Hollywood (1950s)

Score: +1

James Coburn

as Jopling in The Grand Budapest Hotel in Classic Hollywood (1950s)

Score: +1

Anthony Quinn

as Mr. Moustafa in The Grand Budapest Hotel in Classic Hollywood (1950s)

Score: +1

Sal Mineo

as Zero in The Grand Budapest Hotel in Classic Hollywood (1950s)

Score: +3

David Niven

as M. Gustave in The Grand Budapest Hotel in Classic Hollywood (1950s)

Score: +3

George Sanders

as Gordon Gray in Oppenheimer in Classic Hollywood (1960s)

Score: +2

Eddie Albert

as Richard Feynman in Oppenheimer in Classic Hollywood (1960s)

Score: +1

Judd Hirsch

as Edward Teller in Oppenheimer in Classic Hollywood (1960s)

Score: +2