Trama
Data rilascio : 23/10/1937
regia di Jacques Tourneur
Cast
-
Pete Smith
- Narrator (voice) -
Margaret Bert
- Nurse (uncredited) -
André Cheron
- Henri Antoine Becquerel (uncredited) -
James Conaty
- American Scientist (uncredited) -
Eddie Hart
- Photographer (uncredited) -
Emmett Vogan
- Pierre Curie (uncredited)