Director Vicente Jorge Silva introduces his teen son Jose Vicente as Diogo, a child character, and his father 'Jorge Bettencourt Gomes da Silva, as the owner of a photo shop where Fanny reveals her photos. This is an homage to his 94-year-old father's life entirely dedicated to amateur photography.
A couple of scenes take place inside and outside of the TAP Portugal Airbus A330-223 CS-TOG "Bartolomeu de Gusmão", the name being a homage to the Portuguese aviation pioneer.