Suggestions by @sirsnarrack

John Mulaney

as Plastic Man in The DC Cinematic Universe

+1-1Score: 0

Matt Shakman

as Director in MCU Fantastic Four

+2-0Score: +2

Rami Malek

as Elon Musk in Elon Musk Biopic

+2-3Score: -1

Julianne Moore

as Tammy 2 in Parks and recreation

+1-0Score: +1

Julianne Moore

as Tammy Swanson (Tammy II) in Parks and Recreation

+1-0Score: +1

Jack Quaid

as Dwight Schrute in The Office (remake)

+7-7Score: 0