Suggestions by @haphazzz

Sam Neill

as Emil Blonsky in The Incredible Hulk (1988)

Score: +2

Cynthia Sikes

as Elizabeth "Betty" Ross in The Incredible Hulk (1988)

Score: +1

Keith Carradine

as Bruce Banner in The Incredible Hulk (1988)

Score: 0

Mark Harmon

as Bruce Banner in The Incredible Hulk (1988)

Score: 0

Jennifer Grey

as Maya Hansen in Iron Man 3 (1993)

Score: +1

Mary Steenburgen

as Maya Hansen in Iron Man 3 (1993)

Score: +1

Andie MacDowell

as Maya Hansen in Iron Man 3 (1993)

Score: +1

Héctor Elizondo

as Vice President Rodriguez in Iron Man 3 (1993)

Score: +1

Famke Janssen

as Ellen Brandt in Iron Man 3 (1993)

Score: +1

Patrick Stewart

as Trevor Slattery / "The Mandarin" in Iron Man 3 (1993)

Score: +1

Ethan Embry

as Harley Keener in Iron Man 3 (1993)

Score: +1

John Spencer

as President Ellis in Iron Man 3 (1993)

Score: +1

Sting

as J.A.R.V.I.S. (voice) in Iron Man 3 (1993)

Score: +1

Robert Patrick

as Eric Savin in Iron Man 3 (1993)

Score: +1

Jim Belushi

as Harold "Happy" Hogan in Iron Man 3 (1993)

Score: +1

Don Johnson

as Aldrich Killian in Iron Man 3 (1993)

Score: +1

Sissy Spacek

as Virginia "Pepper" Potts in Iron Man 3 (1993)

Score: +1

Joe Morton

as James "Rhodey" Rhodes / War Machine in Iron Man 3 (1993)

Score: +1

Tom Selleck

as Tony Stark / Iron Man in Iron Man 3 (1993)

Score: +1

Ernie Hudson

as James "Rhodey" Rhodes / War Machine in Iron Man 2 (1990)

Score: +1