Hunter Schafer as Gretchen

Jan Bluthardt as Henry

Marton Csokas as Luis

Jessica Henwick as Beth

Dan Stevens as Herr König

Mila Lieu as Alma

Greta Fernández as Trixie

Proschat Madani as Dr. Bonomo

Astrid Bergès-Frisbey as Ed

Konrad Singer as Erik

Kalin Morrow as Hooded Woman

Johannes Benecke as Silent Cop

Matthea Pedersen as Teenage Girl

Veronika Bachfischer as Dr. Bonomo's Assistant

Joshua Hupfauer as Driver

Philipp Arnold as Nurse

Conny Brandt as Absentminded Woman

Laura Pröll as Receptionist

Christoph Cordes as 2nd Mover

Massimiliano Monticciollo as 2nd Mover

Jennifer Buschmann as Teenage Girl's Mother

Jana Bange as Young Tourist Woman

Victor Peterszegi as Young Tourist Man

Elisa Kühnl as Homo-cuculidae Voices (voice)

Roman Ewert as Young Male Doctor

Lesley Jennifer Higl as Henry's Wife