Greer Garson
Marie Curie
Walter Pidgeon
Pierre Curie
Henry Travers
Eugene Curie
Albert Bassermann
Professor Jean Perot
Robert Walker
David Le Gros
C. Aubrey Smith
Lord Kelvin
May Whitty
Madame Eugene Curie
Victor Francen
President of University
Elsa Bassermann
Madame Perot
Reginald Owen
Dr. Becquerel
Van Johnson
Reporter
Margaret O'Brien
Irene Curie - Age 5
James Hilton
Narration Spoken By (voice)
Mariska Aldrich
Tall Woman (uncredited)
Tony Carson
Man at Accident (uncredited)
Ruth Cherrington
Swedish Queen (uncredited)
Ray Collins
Lecturer (voice) (uncredited)
Guy D'Ennery
Professor (uncredited)
George Davis
Cart Driver (uncredited)
Harold De Becker
Franz Dorfler
Assistant Tailor (uncredited)
Justine Duney
Woman at Accident (uncredited)
Tay Dunn
William Edmunds
Nestor Eristoff
Board Member (uncredited)
Al Ferguson
Edward Fielding
Howard Freeman
Prof. Constant (voice) (uncredited)
Linda Lee Gates
Perot Granddaughter (uncredited)
Marie Louise Gates
Lisa Golm
Lucille (uncredited)
Ilka Grüning
Seamstress (uncredited)
Lumsden Hare
Professor Roget (uncredited)
Teddy Infuhr
Son (uncredited)
James Kirkwood
Isabel La Mal
Gene Lockhart
Bit Part (uncredited)
Miles Mander
Businessman (uncredited)
George Meader
Singing Professor (uncredited)
Dickie Meyers
Master Michaud (uncredited)
Noel Mills
Wedding Guest (uncredited)
Leo Mostovoy
Photographer (uncredited)
Alan Napier
Dr. Bladh (uncredited)
Moroni Olsen
President of Businessman's Board (uncredited)
María Pagés
Gigi Perreau
Eve at 18 Months (uncredited)
Francis Pierlot
Monsieur Michaud (uncredited)
Nita Pike
Dorothy Raye
Nurse (uncredited)
Almira Sessions
Madame Michaud (uncredited)
Arthur Shields
Wyndham Standing
King Oscar (uncredited)
Ray Teal
Driver (uncredited)
Charles Trowbridge
Michael Visaroff
Proud Papa (uncredited)
Marek Windheim
Jewelry Salesman (uncredited)
Frederick Worlock
Eustace Wyatt
Doctor (uncredited)
Cedric Gibbons
Art Direction
Joseph Ruttenberg
Director of Photography
Irene
Costume Design, Costume Supervisor
Mervyn LeRoy
Director
Harold F. Kress
Editor
E.J. Mannix
Executive Producer
Sidney Franklin
Producer
Herbert Stothart
Music
Hans Rameau
Screenplay
Paul Osborn
Ève Curie
Writer
You need to be logged in to continue. Click here to login or here to sign up.
Can't find a movie or TV show? Login to create it.
Login
Sign Up
Want to rate or add this item to a list?
Not a member?
Sign up and join the community