Suggestions by @isabellasalazar

Walker Scobell

as Louis Weasley in Harry Potter Next Generation

Score: +1

Walker Scobell

as Louis Weasley in Harry Potter Next Generation

Score: -3

Summer Fontana

as Rose Weasley in Harry Potter Next Generation

Score: +1

Brady Noon

as Travis Stoll in Percy Jackson

Score: +1

Connor Noon

as Connor Stoll in Percy Jackson

Score: 0

Adam Copeland

as Ares in Percy Jackson

Score: +1

Dior Goodjohn

as Clarisse La Rue in Percy Jackson

Score: +1

Olivea Morton

as Nancy Bobofit in Percy Jackson

Score: +1

Aryan Simhadri

as Grover Underwood in Percy Jackson

Score: +1

Andrew Alvarez

as Chris Rodríguez in Percy Jackson

Score: +1

Daphne Hoskins

as Rachel Elizabeth Dare in Percy Jackson

Score: +1

Beau Gadsdon

as Thalia Grace in Percy Jackson

Score: +1

Brooklyn Prince

as Bianca Di Angelo in Percy Jackson

Score: +2

Ariana Greenblatt

as Silena Beugerard in Percy Jackson

Score: +1

Leah Sava Jeffries

as Annabeth Chase in Percy Jackson

Score: +1

Charlie Bushnell

as Luke Castellan in Percy Jackson

Score: +1

Walker Scobell

as Percy Jackson in Percy Jackson

Score: +1

Daphne Hoskins

as Rachel Dare in Percy Jackson & the Olympians

Score: -16

Brooklyn Prince

as Bianca di Angelo in Percy Jackson and the Olympians (The Complete List)

Score: +3

Ariana Greenblatt

as Silena Beauregard in Percy Jackson and the Olympians (The Complete List)

Score: 0