Suggestions by @shesnake

Charles Michael Davis

as Greed in Seven Deadly Sins

Score: +2

Pedro Pascal

as Pride in Seven Deadly Sins

Score: +1

Carlson Young

as Holly in Stranger Things (Adults)

Score: 0

Jennifer Connelly

as Nancy in Stranger Things (Adults)

Score: -2

Emmy Rossum

as Nancy in Stranger Things (Adults)

Score: -1

Pedro Pascal

as Rodrigo Gonzales in Original Story: "The City of Waterfalls"

Score: +1

Timothée Chalamet

as Cody Godfrey in Original Story: "The City of Waterfalls"

Score: +1

Tao Okamoto

as Shevonne in Original Story: "Every Last Hope"

Score: +1

Sophie Turner

as Alisha in Original Story: "Every Last Hope"

Score: +1

KJ Apa

as Roland in Original Story: "Every Last Hope"

Score: -1

Freddie Fox

as Ron Weasley in Harry Potter (Recasted)

Score: -1

Freddie Fox

as Ron Weasley in Harry Potter

Score: -5

Zoë Love Smith

as Hermione Granger in Harry Potter

Score: -12

Alberto Rosende

as Harry Potter in Harry Potter (Recasted)

Score: -14

Alberto Rosende

as Harry Potter in Harry Potter

Score: -16

Tashi Rodriguez

as Velma Dinkley in Mystery Inc.

Score: 0

Nathalie Emmanuel

as Robin Scherbatsky in How I Met Your Mother (Reboot)

Score: 0

Jesse Williams

as Barney Stinson in How I Met Your Mother (Reboot)

Score: -1

Henry Golding

as Ted Mosby in How I Met your mother

Score: +2

Freya Mavor

as Zoe in Original Story: "Every Last Hope"

Score: +1