Suggestions by @salamanderer

Kristen Bell

as Columbia in The Rocky Horror Picture Show

Score: +1

Margot Robbie

as Columbia in The Rocky Horror Picture Show

Score: +1

James Marsden

as Brad Majors in The Rocky Horror Picture Show

Score: +1

Damiano David

as Eddie in The Rocky Horror Picture Show

Score: +1

Neil Patrick Harris

as Frank 'n' Furter in The Rocky Horror Picture Show

Score: +1

Siobhán McSweeney

as Nanny Ogg in The Discworld

Score: +1

Willem Dafoe

as The Joker in Red Hood (2025)

Score: +4

Miriam Margolyes

as Nanny Ogg in The Discworld

Score: +1

Vin Diesel

as Detritus Discworld in The Discworld

Score: +1

Brendan Gleeson

as Fred Colon in The Discworld

Score: +1

Robbie Coltrane

as Fred Colon in The Discworld

Score: +1

David Tennant

as Sam Vimes in The Discworld

Score: 0

Christopher Eccleston

as Sam Vimes in The Discworld

Score: +3

Meryl Streep

as Granny Weatherwax in The Discworld

Score: +1

Maggie Smith

as Granny Weatherwax in The Discworld

Score: -1

Charles Dance

as Lord Vetinari in The Discworld

Score: +2

Ian McKellen

as Death in The Discworld

Score: +2

Patrick Stewart

as Death in The Discworld

Score: +1

Robert Sheehan

as Spike in Buffy The Vampire Slayer Reboot

Score: +1

Tom Hiddleston

as Wesley Wyndam Price in Buffy The Vampire Slayer Reboot

Score: +1