Last Woman on Earth (1960) - written by Robert Towne, directed by Roger Corman, starring Tony Garbone, Betsy Jones-Moreland, Edward Wain

With a month to shoot in Puerto Rico it should come as no surprise that Corman managed to squeeze every last drop of value from the location, producing three films, this being the second. Still being written on location by the good-but-slow (one day Oscar winning) Robert Towne, the ever frugal Corman insisted on him also acting, which he did under the pseudonym Edward Wain. Also starring Tony Garbone and Betsy Jones-Moreland as the rich couple who form the rest of the triangle in this under-rated post apocalyptic tropical drama.

Creature from the Haunted Sea (1961) - written by Charles B. Griffith, directed by Roger Corman, starring Tony Garbone, Abby Dalton, Edward Wain

The third film shot in Puerto Rico in a month is a wise-cracking comedy in the Zucker-Abrahams-Zucker tradition, only a decade or more before they did it. Starring the same lead trio as "Last Woman…" (Garbone, Dalton, Wain[Robert Towne]) with a handful of Cuban military exiles and one of cinema's greatest comedy monsters complete with actual ping-pong eye balls.