Trivia: Estelle Getty was tricked into signing on with this movie by the producers who promised her there wouldn't be any guns in it.
Trivia: When a Spengo guard is shot in the fortress docking bay, he yells a Wilhelm scream.
Trivia: Robbie Coltrane was the producers' first choice for the role of Columbus.
Trivia: Shot back-to-back with "Critters 3."