Very Disappointing...
Rating this IMDB****Stars (4) this is the worst of the George Pal 'Fantasy Epics' at Paramount and even beyond. Starting with a irrational or better yet specious argument concerning the merits of interplanetary space travel. Ludicrously argued against by the voyage Commander! Director Byron Haskins seemed not to be able to reign in some of the poorer writing aspects of this film. Producer Pal letting his religious mania take over what could have been a fine exploration film if it had been played straight.
The normally competent SFX featured in Pal's films are entirely gone. John Fulton head of the SFX Department at Paramount must have divorced himself from this project and left it for the 2nd team. After all what would you want to spend your time on, a tight budgeted 'B' film or THE TEN COMMANDMENTS (1956). Now that is a easy choice. Compare this film with DESTINATION MOON (1950) released just five years earlier, which looks fresher and more competently made.
This film effectively killed Pal at Paramount and left the AFTER WORLDS COLLIDE project in perpetual limbo. He would regain his footing releasing a mixed bag of films through M.G.M. Finally ending his career with the atrocious DOC SAVAGE: The Man of Bronze (1975) IMDB**Stars (2).