Jabarkan Pemeran dari Madame Curie (film)

Greer Garson – Marie Curie

Walter Pidgeon – Pierre Curie

Henry Travers – Eugene Curie

Albert Bassermann – Prof. Jean Perot

Robert Walker – David Le Gros

C. Aubrey Smith – Lord Kelvin

Dame May Whitty – Madame Eugene Curie

Victor Francen – Presiden Universitas

Elsa Bassermann – Madame Perot

Reginald Owen – Dr. Becquerel

Margaret O'Brien – Irene Curie (pada usia 5 tahun)

James Hilton – Narator (suara)