Lillian Adams was 46 years old when she played Grandma Ramirez. Besides appearing in over 100 film and television roles, she was also known as the mascot 'Super Saver Lillian' in TV commercials for a national pharmacy chain.
In 1968, Puerto Rico had only one International Airport (SJU). Nonetheless, characters use a fictitious airport, as identified by the sign "San Tanco Aero Puerto Oficina" (on the wall, to right of Pepe/Carlito).