Directed by Kurt Neumann science fiction (sci-fi) fantasy romantic horror thriller ("Once it was human -- even as you and I!"; "For your own good we urge you not to see it alone!"; "The fly that was buzzing around the house had once been her loving husband!"; "She had to kill the thing her husband had become - but could she?"; "If she looked upon the horror her husband had become, She Would Scream For The Rest Of Her Life!"; "The monster created by atoms gone wild!"; "In CinemaScope and Terror-Color by De Luxe!"; "The first atomic mutation on humans has been shown on the screen!"; "Based on a Story by George Langelaan"; "Screen Play by James Clavell"; very original in its day, about a scientist who invents a "teleportation device" and then tests it on himself, but unfortunately, a small fly is in the machine and his atoms become mingled with those of the fly, resulting in a man with a fly's head and hand, and a fly with a man's head, and he must find the fly in hopes of reversing the process)
Starring Al Hedison (billed here as "Al Hedison"; sometimes billed as "David Hedison", and sometimes billed as "Al 'David' Hedison"), Patricia Owens, Vincent Price, Herbert Marshall, Kathleen Freeman, Betty Lou Gerson, Charles Herbert (as the son of Hedison and Owens), Eugene Borden, and Torben Meyer
Folded as original.