Trivia

To stretch his meager budget, director Edgar G. Ulmer was able to use sets from Joan of Arc (1948).

Filmed in six days.

According to producer Jack Pollexfen, the original budget was set at $38,000 and it was ultimately brought in by director Edgar G. Ulmer at $41,000.

According to producer Jack Pollexfen, director Edgar G. Ulmer did rewrites, designed the moon and spaceship and glass paintings to expedite the production and cut down on expenses.

Although SAG minimum was $175 per week, Robert Clarke's pay was $175 for the entire film. His final check was $210 with overtime.