Claudia, the character played by Martha Higareda, suffers anorexia. The Mexican actress reduced her weight significantly in preparation for the role. She weighed only 36 kilograms (79 pounds) during filming.
The residence - "Casa Alquicira" - where a lot of the filming took place, is in the same piece of land where other famous film by Carlos Enrique Taboada was shot: Más negro que la noche (1975). Also, this house is in the same block where the original Even the Wind Is Afraid (1968) was made.
Alicia Bonet, who played the role of Claudia in the original version, makes a cameo appearance as the mother of the "new" Claudia, played by Martha Higareda.