Burger, Dasch, Heinck and Quirin traveled from occupied France by German submarine U-202 to Amagansett Beach, Long Island, New York, landing in the hours of darkness, on June 13, 1942.
Kinzie died while vacationing in Amagansett, New York, Long Island, in 1870, after a druggist accidentally substituted morphine for the quinine she ordered.
The composer John Cage and the poet and film critic Parker Tyler were involved in making the film, and appear in the film, which was shot at Amagansett, Long Island.