Bande-annonce
Distribution
Edward Fielding
Board Member (uncredited)
María Pagés
Woman at Accident (uncredited)
Gigi Perreau
Eve at 18 Months (uncredited)
Almira Sessions
Madame Michaud (uncredited)
Gene Lockhart
Bit Part (uncredited)
George Davis
Cart Driver (uncredited)
Isabel La Mal
Woman at Accident (uncredited)
Michael Visaroff
Proud Papa (uncredited)
Victor Francen
President of University
Teddy Infuhr
Son (uncredited)
George Meader
Singing Professor (uncredited)
Miles Mander
Businessman (uncredited)
Alan Napier
Dr. Bladh (uncredited)
Wyndham Standing
King Oscar (uncredited)
Van Johnson
Reporter
May Whitty
Madame Eugene Curie
Ilka Grüning
Seamstress (uncredited)
James Kirkwood
Board Member (uncredited)
Francis Pierlot
Monsieur Michaud (uncredited)
Lisa Golm
Lucille (uncredited)
Eustace Wyatt
Doctor (uncredited)
James Hilton
Narration Spoken By (voice)
Walter Pidgeon
Pierre Curie
C. Aubrey Smith
Lord Kelvin
William Edmunds
Cart Driver (uncredited)
Howard Freeman
Prof. Constant (voice) (uncredited)
Margaret O'Brien
Irene Curie - Age 5
Robert Walker
David Le Gros
Elsa Bassermann
Madame Perot
Lumsden Hare
Professor Roget (uncredited)
Ray Teal
Driver (uncredited)
Ray Collins
Lecturer (voice) (uncredited)
Henry Travers
Eugene Curie
Charles Trowbridge
Board Member (uncredited)
Albert Bassermann
Professor Jean Perot
Ruth Cherrington
Swedish Queen (uncredited)
Moroni Olsen
President of Businessman's Board (uncredited)
Frederick Worlock
Businessman (uncredited)
Guy D'Ennery
Professor (uncredited)
Arthur Shields
Businessman (uncredited)
Al Ferguson
Man at Accident (uncredited)
Marek Windheim
Jewelry Salesman (uncredited)
Reginald Owen
Dr. Becquerel
Greer Garson
Marie Curie