Suggestions by @ zacharyoxford

Tom Holland

as William Pitt the Younger in Blackadder (2013-19)

Ana de Armas

as Bob, an attractive girl who poses as a man in Blackadder (2013-19)

Billie Piper

as Nursie in Blackadder (2013-19)

Billie Piper

as Amy Hardwood (a.k.a. The Shadow) in Blackadder (2013-19)

Billie Piper

as Queen Elizabeth 1 in Blackadder (2013-19)

+3-0Score: +3

Julie Christie

as Mary Fletcher-Brown, a dutiful nurse in Blackadder (2013-19)

Freddie Highmore

as George/Prince George in Blackadder (2013-19)

Simon Pegg

as Lord Flashheart in Blackadder (2013-19)

+2-1Score: +1

Sacha Baron Cohen

as Lord Percy Percy/Captain Darling in Blackadder (2013-19)

Brian Cox

as Lord Melchett/general melchett in Blackadder (2013-19)

Rupert Grint

as S. Baldrick, his servant in Blackadder (2013-19)

Tom Hardy

as Edmund Blackadder, the series' protagonist in Blackadder (2013-19)

LL Cool J

as Blade in Morbius (1991)

Steve Buscemi

as Khan in Quentin Tarantino Star Trek (2023)

Alan Cumming

as Khan in Quentin Tarantino Star Trek (2023)

+0-1Score: -1

Ryan Reynolds

as Bones in Quentin Tarantino Star Trek (2023)

+1-2Score: -1

Michael Biehn

as Rick Flag in Suicide Squad (1995)

Richard Roundtree

as Floyd Lawton / Deadshot in Suicide Squad (1995)

Oprah Winfrey

as Amanda Waller in Suicide Squad (1995)