Trivia / Cave Women on Mars

• Role Reprise: Josh Craig reprises his role as Professor Jackson from The Monster of Phantom Lake and It Came from Another World!, some 30 years older and now head of the United States' space program.
• You Look Familiar: This was the first Mihmiverse film to cast actors from an earlier film in new roles.
  • Rachel Grubb, who played Amy - one of the teenagers in The Monster of Phantom Lake - plays the Martian cave woman Hagra.
  • Josh Craig plays Captain Mike Jackson, the son of Director Jackson from The Monster of Phantom Lake and It Came from Another World!
  • Future Mihmiverse regular Daniel Sjerven plays Lt. William Elliot.
  • Michael Kaiser, the man in The Monster costume in The Monster of Phantom Lake, has a cameo as an escaped Martian slave. He also plays The Ojjo.
  • Christopher Mihm's wife, Stephanie, plays the Zil High Priestess and provides the opening narration.
  • Elizabeth Kaiser, Stephanie Mihm's daughter, plays the Zil Acolyte.
  • Emma Danbury, who plays the young Zil warrior girl, is Josh Craig's stepdaughter.