Suggestions by @bjeans

Jason Statham

as Professor Emetterio in Fourth Wing

D. B. Woodside

as Professor Emetterio in Fourth Wing

Anna Cathcart

as Jesinia in Fourth Wing

Natasha Liu Bordizzo

as Jesinia in Fourth Wing

Maitreyi Ramakrishnan

as Jesinia in Fourth Wing

Jena Malone

as Imogen in Fourth Wing

Alyson Stoner

as Tara in Fourth Wing

Kristen Stewart

as Tara in Fourth Wing

Zoë Kravitz

as Tara in Fourth Wing

Paul Bettany

as Violet's dad in Fourth Wing

James Pickens Jr.

as Nolan in Fourth Wing

Viggo Mortensen

as Violet's dad in Fourth Wing

Mark Ruffalo

as Violet's dad in Fourth Wing

Pierce Brosnan

as King Tauri in Fourth Wing

Loretta Devine

as Winifred in Fourth Wing

Camila Mendes

as Aurelie in Fourth Wing

Cara Delevingne

as Amber Mavis in Fourth Wing

Bella Thorne

as Amber Mavis in Fourth Wing

Debbie Allen

as Winifred in Fourth Wing

Michelle Pfeiffer

as Winifred in Fourth Wing