The marijuana the guys smoke on the boat was real.
The actor who played the cyborg fainted twice during the shooting of the film due to the extreme heat.
Catherine Hickland communicated with the Italian cast and crew through an interpreter, and Hickland lost ten pounds in the first week that she worked on the movie.
An Italian chef was present on location in the Philippines to make meals for the cast and crew.
A romantic subplot was filmed, but cut from the final finished movie.