Rosamund Pike
Marie Curie
Sam Riley
Pierre Curie
Aneurin Barnard
Paul Langevin
Simon Russell Beale
Professor Lippmann
Katherine Parkinson
Jeanne Langevin
Sian Brooke
Bronia Sklodowska
Anya Taylor-Joy
Irène Aged 18
Yvette Feuer
Carla
Mirjam Novak
Nurse
Ralph Berkin
Doctor
Faye Bradbrook
Bronia's Maid
Drew Jacoby
Loie Fuller
Harriet Turnbull
Young Marie
Georgina Rich
Marie's Mother
Elise Alexandre
Young Bronia
Dora Koves
Pierre's Mother
Mark Phelan
Delivery Man
Alexis Latham
Guard
Indica Watson
Irène Aged 6
Federica Fracassi
Eusapia
Demetri Goritsas
Dr Jenkins
Charles Tumbridge
Peter
Corey Johnson
Adam
Peter Fancsikai
Henrik
Paul Albertson
Tibbets