Dan Stevens as Will Porter

Bérénice Marlohe as Abby Vos

Charity Wakefield as Mia Kreiss

Gijs Scholten van Aschat as August Reynard

Mike Reus as Dr. Klintsen

Tygo Gernandt as Michael de Ruiter

Mike Libanon as Hugo

Bas Keijzer as Bektman

Kasper van Groesen as Donny

Chloe-May Cuthill as Alterplex Narrator (uncredited)