Suggestions by @lautakin

McKenna Roberts

as Zoë NIghtshade in Percy Jackson & the Olympians

Score: +1

Adora Soleil Bricher

as Clarisse La Rue in Percy Jackson & the Olympians

Score: +1

Julia Butters

as Calypso in Percy Jackson & the Olympians

Score: +2

Madison Rojas

as Percy Jackson in Percy Jackson & the Olympians

Score: +4

Cameron Seely

as Annabeth Chase in Percy Jackson & the Olympians

Score: +1

Ethan Hwang

as Ethan Nakamura in Percy Jackson & the Olympians

Score: +1

Summer Fontana

as Rachel Elizabeth Dare in Percy Jackson & the Olympians

Score: 0

Gaten Matarazzo

as Tyson in Percy Jackson & the Olympians

Score: +2

Hala Finley

as Bianca di Angelo in Percy Jackson & the Olympians

Score: +2

Glen Gordon

as Tyson in Percy Jackson & the Olympians

Score: -1

Caleel Harris

as Grover Underwood in Percy Jackson & the Olympians

Score: +1

Alex Lange

as Luke Castellan in Percy Jackson & the Olympians

Score: +1

Ever Anderson

as Thalia Grace in Percy Jackson & the Olympians

Score: +1

Malina Weissman

as Silena Beauregard in Percy Jackson & the Olympians

Score: +1

Chosen Jacobs

as Charles Beckendorf in Percy Jackson & the Olympians

Score: +1

Rian McCririck

as Connor Stoll in Percy Jackson & the Olympians

Score: +1

Asher Angel

as Travis Stoll in Percy Jackson & the Olympians

Score: +1

Jamie Campbell Bower

as Apollo in Percy Jackson & the Olympians

Score: +1

Linda Cardellini

as Sally Jackson in Percy Jackson & the Olympians

Score: +2

Paul Rudd

as Paul Blofis in Percy Jackson & the Olympians

Score: +1