A chronicle of Nobel Prize winning physicist Maria Skłodowska-Curie's little known yet invaluable contribution to wounded soldiers' treatment during World War I, and her professional partnership with radiotherapy pioneer Claudius Regaud.
| Actor | Role |
|---|---|
 Éric GodonLe Président Poincarré | Le Président Poincarré |
 Denis PodalydèsNarrator (voice) | Narrator (voice) |
 Dominique ReymondMaria Skłodowska-Curie | Maria Skłodowska-Curie |
 Laurent BateauClaudius Regaud | Claudius Regaud |
 Patrick DescampsLouis Ragot | Louis Ragot |
 Olivier MassartÉmile Roux | Émile Roux |
 Fabio ZenoniPierre Curie | Pierre Curie |
 Fanny DumontIrène Curie | Irène Curie |
 Elie LisonLe médecin âgé | Le médecin âgé |
 Bruno GeorisLe banquier | Le banquier |
 Epona GuillaumeEve Curie | Eve Curie |
 Erika SainteUne femme Institut du radium | Une femme Institut du radium |