The widows of four missionaries condemned by the Indians to die at the stake, go to the Amazon jungle to pay homage to them.
| Actor | Role |
|---|---|
 Alida ValliConstance Fischer | Constance Fischer |
 Violeta AntierLilian Larsen | Lilian Larsen |
 Paul GuersHenri Balmant | Henri Balmant |
 Alexandra StewartMarianne Graham | Marianne Graham |
 Luigi PicchiAloysio the Guide | Aloysio the Guide |
 Glauce RochaBerenice Bellington | Berenice Bellington |
 Maurice SarfatiLombardo | Lombardo |
| FFrancisco PinterInnkeeper | Innkeeper |
| DDavid CondeNot listed | Not listed |
| AAlejandro PatiñoNot listed | Not listed |