Trivia / Insidious

• California Doubling:
  • Averted in the case of the Lambert family storyline as the family resides around Los Angeles. Chapter 3 is also focused around LA.
  • Chapter 4 was also filmed in California, but much of the plot is set in New Mexico.
• Casting Gag: In 2013's The Conjuring, Patrick Wilson plays Ed Warren a paranormal investigator who intervenes to save a woman possessed by a demon from killing her own children. In Chapter 2 (made by the same director and released less than three months later), he plays a man possessed by a demon and compelled to kill his own children, before paranormal investigators intervene.
• Directed by Cast Member:
  • Leigh Whannell (Steven "Specs") directed Chapter 3.
  • Patrick Wilson (Josh Lambert) directed The Red Door.
• Fake American: Australians Angus Sampson, Leigh Whannell, and Rose Byrne (as Tucker, Specs, and Renai respectively).
• Production Posse: Producers Oren Peli and Jason Blum worked together in Paranormal Activity, a fellow Blumhouse franchise. Meanwhile, James Wan and Leigh Whannell have been friends since their film school days and most of their projects before The New '10s (Saw, Dead Silence) involved both in some way. Finally, Patrick Wilson has starred in three separate James Wan franchises — this one, the Conjuring series, and the Aquaman films.
• Role Reprise: Patrick Wilson, Rose Byrne, Ty Simpkins, and Andrew Astor all reprise their roles as Josh, Renai, Dalton, and Foster in Insidious: The Red Door, nearly a decade after their last appearances in Insidious: Chapter 2.
• Sequel Gap: Insidious: The Red Door came out five years after The Last Key and ten years after Chapter 2, the last entry chronologically.
• Star-Making Role: For Ty Simpkins and Lin Shaye despite her having been in the acting business since the eighties.
• Working Title: The fifth film was initially announced as Insidious: Fear the Dark before the subtitle was changed to The Red Door

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