The albino siblings are named Tin and Tina after St. Augustine (San Agustín in Spanish; 354-430 AD). He was a writer, theologian and philosopher who after he was turned into Christianity worked as Bishop of Hipona, Argel (North Africa). He is considered as father of the Western Church and in 1295 Pope Bonifacius VIII named him Doctor of the Church by their extensive work in life and writings about faith and religion.
The movie reunites by first time two of the most popular icons of the 80s for kids in Spain, Teresa Rabal and Chelo Vivares. At early-mid 80s, Rabal was a singer star specialized in music for children, and Vivares played Espinete, a pink humanoid hedgehog, in the TV show Barrio Sésamo (1979).
Reunites Ruth Gabriel with Chelo Vivares after the TV show Barrio Sésamo (1979). From 1983 to 1987, Gabriel played child Ruth and Vivares played Espinete, a pink humanoid hedgehog.
At 27 minutes into the movie Tin reads the same bible passage that Julius uses a lot in Pulp Fiction.