Suggestions by @_canthiswait_

Sadie Sink

as Amber Mavis in Fourth Wing

Isabela Merced

as Catriona in Fourth Wing

Archie Madekwe

as Ridoc in Fourth Wing

Joe Tandberg

as Tairn (voice) in Fourth Wing

Mike Faist

as Sawyer in Fourth Wing

Emma Myers

as Sloane Mairi in Iron Flame

Justice Smith

as Ridoc Gamlyn in Fourth Wing | Iron Flame | Onyx Storm

Hiro Kanagawa

as Professor Carr in Fourth Wing

Ross Butler

as Liam in Fourth Wing

Robert Downey Jr.

as Violet's dad in Fourth Wing

Tilda Swinton

as General Sorrengail in Fourth Wing

Jacob Elordi

as Garrick in Fourth Wing

Justice Smith

as Ridoc in Fourth Wing

Isabelle Fuhrman

as Luca in Fourth Wing

Milo Manheim

as James Potter in The Marauders

Nico Greetham

as Dylan in Fourth Wing

Gavin Casalegno

as Sawyer in Fourth Wing

Angela Bassett

as Professor Devera in Fourth Wing