Suggestions by @kareta

Abigail Cowen

as Charlotte Montrose in The Ruby Red Trilogy

Score: -1

Odeya Rush

as Gwyneth Shepherd in The Ruby Red Trilogy

Score: 0

Talia Ryder

as Gwyneth Shepherd in The Ruby Red Trilogy

Score: -1

Madison Rothschild

as Gwyneth Shepherd in The Ruby Red Trilogy

Score: +1

Felix Mallard

as Gideon de Villiers in The Ruby Red Trilogy

Score: +1

Jannis Niewöhner

as Gideon de Villiers in The Ruby Red Trilogy

Score: 0

Imogen King

as Charlotte Montrose in The Ruby Red Trilogy

Score: +1

Laura Berlin

as Charlotte Montrose in The Ruby Red Trilogy

Score: 0

Damiano David

as Cardan Greenbriar in The Cruel Prince

Score: -40

Maria Ehrich

as Gwyneth Shepherd in The Ruby Red Trilogy

Score: 0

Bailey Bass

as Maia in The Mortal Instruments

Score: +1

Freddie Fox

as Sebastian in The Mortal Instruments

Score: +2

Brandon Butler

as Jack Culpeper in The Wolves Of Mercy Falls or The Shiver Trilogy

Score: +1

Monk Dagelet

as Samuel Kerr "Sam" Roth in The Wolves Of Mercy Falls or The Shiver Trilogy

Score: 0

Katie Douglas

as Grace Brisbane in The Wolves Of Mercy Falls or The Shiver Trilogy

Score: +5

Bailey Bass

as Rachel Vega in The Wolves Of Mercy Falls or The Shiver Trilogy

Score: +2

Elena Kampouris

as Shelby in The Wolves Of Mercy Falls or The Shiver Trilogy

Score: +2

Mina Rueffer

as Grace Brisbane in The Wolves Of Mercy Falls or The Shiver Trilogy

Score: -1

Josefine Frida Pettersen

as Isabel Culpeper in The Wolves Of Mercy Falls or The Shiver Trilogy

Score: 0