None of the characters appearing in this photoplay intentionally resemble any persons living or dead... SINCE THEY DO NOT YET EXIST!
Characters and organizations who are depicted in the movie are thanked: "The producers gratefully acknowledge the co-operation of: Space Colonel Harris of the Martian Exploration Center Cape Johnson Jim Glenn President of the New World Aircraft Corporation Designers and Manufacturers of the Zero X Commander Casey Commander in Chief Glenn Field without whose help this motion picture would not have been possible."
Martian Sequences filmed by Century 21 Space Location Unit
During the course of the end credits, the band (The Band of HM Royal Marines) form the phrase "THE END" by the end of the credits.