Suggestions by @recasterpm

Richard E. Grant

as Sergei Bazhaev in 24

Score: +1

Javier Bardem

as Ramon Salazar in 24

Score: +1

Mark Ruffalo

as Stephen Saunders in 24

Score: 0

Jason Isaacs

as George Mason in 24

Score: +1

Sebastian Stan

as Alexis Drazen in 24

Score: +1

Pedro Pascal

as Tony Almeida in 24

Score: +1

Terrence Howard

as David Palmer in 24

Score: +1

Jeffrey Wright

as David Palmer in 24

Score: +2

Michael Nyqvist

as Victor Drazen in 24

Score: +1

Mike Colter

as Curtis Manning in 24

Score: +1

Sterling K. Brown

as Wayne Palmer in 24

Score: +1

Boyd Holbrook

as Jack Bauer in 24

Score: 0

Joel Kinnaman

as Jack Bauer in 24

Score: 0

Colin Firth

as Rupert Giles in Buffy the Vampire Slayer (Reboot/Remake)

Score: +3

Will Poulter

as Oz Osbourne in Buffy the Vampire Slayer (Reboot/Remake)

Score: +8

Florence Pugh

as Buffy Summers in Buffy the Vampire Slayer (Reboot/Remake)

Score: +19

Ralph Fiennes

as Rupert Giles in Buffy The Vampire Slayer 2020

Score: +5

Tom Wlaschiha

as Killer BOB in Twin Peaks (if was made today and gender-bend for some characters)

Score: 0

Joseph Gordon-Levitt

as Dale Cooper in Twin Peaks (if was made today and gender-bend for some characters)

Score: +5

Dean Norris

as Major Garland Briggs in Twin Peaks

Score: +1