El Trueno entre las hojas

Thunder Among the Leaves is a 1958 Argentine-Paraguayan drama film directed by Armando Bó, starring himself, Isabel Sarli, Ernesto Báez and Andrés Laszlo. The screenplay by Paraguayan writer Augusto Roa Bastos was based on his short story La hija del ministro. Set in Paraguay, the story is about a strike at a sawmill.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.