Suggestions by @spectritus

Freema Agyeman

as Ororo Munroe / Storm in X-Men

Score: +1

Glen Powell

as Fred Jones in Mystery Incorporated

Score: +1

Alexandre Astier

as François in Oasis

Score: +1

Jared Harris

as Unnamed antagonist in Diamonds in the Sky

Score: +1

Henry Cavill

as Edward Boddington / Agent Delta in Diamonds in the Sky

Score: +1

Mark Gatiss

as Agent Alpha in Diamonds in the Sky

Score: +1

Meryl Streep

as Mrs Claus in Super Christmas

Score: +1

June Squibb

as Santa's mother in Super Christmas

Score: +1

Sigourney Weaver

as Mrs Claus in Super Christmas

Score: +1

John Gielgud

as Erik Lensherr / Magneto in Marvel Cinematic Universe (1948–1970)

Score: +1

Lauren Bacall

as Natasha Romanoff / Black Widow in Marvel Cinematic Universe (1948–1970)

Score: +1

James Stewart

as Bruce Banner / Hulk in Marvel Cinematic Universe (1948–1970)

Score: +1

Clint Eastwood

as Logan / Wolverine in Marvel Cinematic Universe (1948–1970)

Score: +1

Henry Fonda

as Tony Stark / Iron Man in Marvel Cinematic Universe (1948–1970)

Score: +1

Sean Pertwee

as Ben Parker in Spider-Man

Score: +1

Jodie Foster

as May Parker in Spider-Man

Score: +1

Benjamin Evan Ainsworth

as Peter Parker / Spider-Man in Spider-Man

Score: +1

Lenny Henry

as Commissioner Gordon in Batman

Score: -1

Gwyneth Paltrow

as Mirage in The Incredibles (Live Action)

Score: -2

Mandip Gill

as Pink Ranger in Power Rangers

Score: +1