Suggestions by @chrislondo

Judge Reinhold

as Han Solo in Star wars Episode vi return of the Jedi (1993)

Score: +1

Jennifer Jason Leigh

as Princess Leia in Star wars Episode vi return of the Jedi (1993)

Score: +2

Kurt Russell

as Brock Lovett in Titanic (1987)

Score: +5

John Williams

as Composer in Saving private Ryan (1987)

Score: +1

Steven Spielberg

as Director in Saving private Ryan (1987)

Score: +2

Jürgen Prochnow

as Steamboat Willie in Saving private Ryan (1987)

Score: +2

William Hurt

as Captain John H. Miller in Saving private Ryan (1987)

Score: 0

Nastassja Kinski

as princess Leia Organa in Star wars episode iv a new hope (1987)

Score: +1

James Cameron

as Director in Titanic (1987)

Score: +1

Sean Connery

as Captain Edward John Smith in Titanic (1987)

Score: +3

Donald Sutherland

as Spicer Lovejoy in Titanic (1987)

Score: +4

Sean Penn

as Cal Hockley in Titanic (1987)

Score: +2

Blair Brown

as Ruth DeWitt Bukater in Titanic (1987)

Score: +2

William Hurt

as Spicer Lovejoy in Titanic (1987)

Score: 0

Jeff Bridges

as Brock Lovett in Titanic (1987)

Score: +4

Judge Reinhold

as Jack Dawson in Titanic (1987)

Score: +1

Jennifer Jason Leigh

as Rose DeWitt Bukater in Titanic (1987)

Score: +2

Donald Sutherland

as Grand moff Tarkin in Star wars episode iv a new hope (1987)

Score: +2

Eric Stoltz

as Luke Skywalker in Star wars episode iv a new hope (1987)

Score: +4