After appearing in this film, Spencer became a real life jet airplane and helicopter pilot. He established Mistral Air in 1984, an air-mail company that also transports pilgrims, but later sold it to Poste Italiane to buy a textile mill that produced clothes for children.
The airport where they first land before the opening credits is Eldorado International Airport in Bogotá, Colombia. The first images are of downtown Bogotá. However, much of the next part before the jungle crash was filmed in Cartagena de Indias, Colombia which is more than 400 miles away from Bogotá in the Caribbean Coast. The airport where the Catalina PBY takes off, is Simon Bolívar International Airport in Santa Marta, Colombia. At the time of filming neither violence or drug traffic were widespread in the country, making it safer to film everywhere.
Beechcraft Model 18, Boeing 727, Boeing-Stearman PT-17, Cessna 182 Skylane, Cessna 310, Consolidated PBY-5A Catalina, de Havilland Canada DHC-2 Beaver, Douglas DC-3, Douglas DC-6, Douglas DC-8, Hawker Siddeley HS 748, Lockheed L-188 Electra, Lockheed T-33 and Piper PA-24 Comanche. All the planes that the "Trinity Boys" use Best duo ever to live
The first plane the main characters land with one engine smoking severely is a DC-3. The plane they crash in later with the overhead engines is a PBY Catalina.
Cyril Cusack is dubbed by another actor in the English language version.