Suggestions by @dingle

Neil Patrick Harris

as Arcade Gannon in Fallout (1990s)

Score: +2

Jürgen Prochnow

as Stanislaus Braun in Fallout (1990s)

Score: +1

Jet Jurgensmeyer

as Stanislaus Braun in Fallout (1990s)

Score: +1

Robert Duvall

as John Cassidy in Fallout (1990s)

Score: +1

Samuel L. Jackson

as Three Dog in Fallout (1990s)

Score: +1

Chuck Norris

as Tycho in Fallout (1990s)

Score: +1

Ricardo Montalban

as Aradesh in Fallout (1990s)

Score: +2

Phil Hartman

as Yes Man in Fallout (1990s)

Score: +1

Peter Cook

as Allistair Tenpenny in Fallout (1990s)

Score: +1

Johnny Galecki

as Myron in Fallout (1990s)

Score: +1

Bruce Willis

as Caesar in Fallout (1990s)

Score: +2

Rita Moreno

as Tandi in Fallout (1990s)

Score: +1

Rita Moreno

as Tandi in Fallout (1990s)

Score: +1

John Malkovich

as Jacoren in Fallout (1990s)

Score: +1

Willem Dafoe

as Mr. House in Fallout (1990s)

Score: +2

Mel Gibson

as Dad in Fallout (1990s)

Score: -1

Christopher Plummer

as Hakunin in Fallout (1990s)

Score: +1

Dolph Lundgren

as Lieutenant in Fallout (1990s)

Score: +1

Richard Gere

as Benny in Fallout (1990s)

Score: +1

Dennis Hopper

as Augustus Autumn in Fallout (1990s)

Score: +2