"El infierno del Chaco" had another version in 1938, with the images of the last peace negociations.
| Actor | Role |
|---|---|
| EEligio AyalaSelf (as Presidente Eligio Ayala) | Self (as Presidente Eligio Ayala) |
| JJosé Félix EstigarribiaSelf (as Mcal Jose Felix Estigarribia) | Self (as Mcal Jose Felix Estigarribia) |
| JJulia Miranda CuetoSelf | Self |