Suggestions by @cullybroy

Pedro Pascal

as Bartholomew Blake in Scooby-Doo

Score: +1

Sarah Michelle Gellar

as Nan Blake in Scooby-Doo

Score: +1

Tom Ellis

as Dale Dinkley in Scooby-Doo

Score: +1

Linda Cardellini

as Angie Dinkley in Scooby-Doo

Score: +2

Neve Campbell

as Paula Rogers in Scooby-Doo

Score: +2

Matthew Lillard

as Colton Rogers in Scooby-Doo

Score: +2

Rachel McAdams

as Judy Jones in Scooby-Doo

Score: +3

Freddie Prinze Jr.

as Fred Jones Sr. in Scooby-Doo

Score: +4

Judah Lewis

as Norville "Shaggy" Rogers in Scooby-Doo

Score: +2

Mckenna Grace

as Velma Dinkley in Scooby-Doo

Score: -1

Millie Bobby Brown

as Daphne Blake in Scooby-Doo

Score: -2

Asher Angel

as Fred Jones in Scooby-Doo

Score: -4

Tom Ellis

as Detective Martin Louis in Friday The 13th television series

Score: +3

Timothy Olyphant

as Sheriff Dean Campbell in Friday The 13th television series

Score: +1

Sadie Sink

as Kaylee Smith in Friday The 13th television series

Score: +1

Finn Wolfhard

as Danny Jones in Friday The 13th television series

Score: +1

Maddie Ziegler

as Audrey Davis in Friday The 13th television series

Score: +1

Asher Angel

as Brett Olsen in Friday The 13th television series

Score: +2

Blake Lively

as Laural Lance in Snydervers DCEU Cast New Characters

Score: +2

Natalie Dormer

as Nymphadora Tonks in Harry Potter (TV Reboot)

Score: 0