Hilma

Lena Olin

Hilma af Klint

Tora Hallström

Young Hilma

Lily Cole

Mathilda

Tom Wlaschiha

Rudolf Steiner

Emmi Tjernström

Hermina

Catherine Chalk

Anna Cassel

Rebecca Calder

Cornelia

Maeve Dermody

Sigrid

Jazzy De Lisser

Thomasine

Adam Lundgren

Hilma's brother

Karolis Kasperavičius

Johan af Klint

Diana Anevičiūtė-Valiušaitienė

Older Anna

Paulius Markevičius

Edvard Munch

Jens Hultén

Hilma's Father

Anna Björk

Hilma's Mother

Martin Wallström

Hilma's Nephew

Moa Enqvist Stefansdotter

Ghost (voice)

Lukas Loughran

Art Professor

Liam Lundin

Coachman

Erik Dahlin

Older Undertaker