Cast & crew
Insidious: The Last Key (2018)
Directed by Adam Robitel Written by Leigh Whannell
Cast
| Caitlin Gerard | Rainier |
| Leigh Whannell | Specs |
| Lin Shaye | Rainier |
| Angus Sampson | Tucker McElroy |
| Kirk Acevedo | Garza |
| Bruce Davison | Rainier |
| Josh Stewart | Rainier |
| Spencer Locke | Rainier |
| Tessa Ferrer | Rainier |
| Aleque Reid | Anna |
| Ava Kolker | Rainier |
| Javier Botet | KeyFace |
| Pierce Pope | Rainier |
| Marcus Henderson | Fredricka Whitfield |
| Amanda Jaros | Mara |
| Judith Drake | Pam |
| Thomas Robie | Rainier |
| Josh Wingate | Executed Templar |
| Hana Hayes | Rainier |
| Danielle Kennedy | Kitchen Help |
| Melanie Gaydos | Angel |
| Ty Simpkins | Lambert |
| Rose Byrne | Renai |
| Patrick Wilson | Josh |
| Stefanie Scott | Quinn |
| Barbara Hershey | Lambert |
| Zahra Susan Ingersoll | (uncredited) |
| Joseph Bishara | Demon |
| Danielle Bisutti | Bronto Crane |
| Brynn Bowie | Kali |
| Madison Bowie | Kali |
| Paul LeClair | (uncredited) |
| Craig Reed | Inmate |
| Lin Shaye | Elise Rainier |
| Pierce Pope | Christian Rainier (young) |
| Javier Botet | KeyFace |
| Marcus Henderson | Detective Whitfield |
| Amanda Jaros | Mara Jennings |
| Judith Drake | Pam |
| Hana Hayes | Elise Rainier (teenage) |
| Thomas Robie | Christian Rainier (teenage) |
| Josh Wingate | Executed Man |
| Bruce Davison | Christian Rainier |
| Danielle Kennedy | Kitchen Woman |
| Melanie Gaydos | Dark Angel |
| Stefanie Scott | Quinn Brenner |
| Danielle Bisutti | Mother of Parker Crane |
| Ty Simpkins | Dalton Lambert (archival footage) |
| Rose Byrne | Renai Lambert (archival footage) |
| Patrick Wilson | Josh Lambert (archival footage) |
| Barbara Hershey | Lorraine Lambert |
| Joseph Bishara | Lipstick-Face Demon |
| Caitlin Gerard | Imogen Rainier |
| Tessa Ferrer | Audrey Rainier |
| Aleque Reid | Anna |
| Ava Kolker | Elise Rainier (young) |
| Leigh Whannell | Specs |
| Angus Sampson | Tucker |
| Kirk Acevedo | Ted Garza |
| Spencer Locke | Melissa Rainier |
| Josh Stewart | Gerald Rainier |
| Brynn Bowie | Kali Lambert |
| Madison Bowie | Kali Lambert |
| Zahra Susan Ingersoll | Prisoner (uncredited) |
| Paul LeClair | Diner Patron (uncredited) |
| Craig Reed | Lost Soul / Inmate (uncredited) |
Crew
| Emily Brobst | Stunts |
| Adam Robitel | Director |
| Jim Small | Assistant Location Manager |
| Cassandra McCormick | Stunts |
| Leigh Whannell | Writer |
| Aaron A. Goffman | Additional Photography |
| Aaron A. Goffman | Property Master |
| Meegan E. Godfrey | Stunts |
| Jason Blum | Producer |
| Joseph Bishara | Original Music Composer |
| Lisa Norcia | Costume Design |
| Leigh Whannell | Characters |
| Rick Osako | Co-Producer |
| Oren Peli | Producer |
| James Wan | Producer |
| Bailey Conway | Executive Producer |
| Toby Oliver | Director of Photography |
| Timothy Alverson | Editor |
| Terri Taylor | Casting |
| Steven Schneider | Executive Producer |
| Sandra Skora | Set Decoration |
| Melanie Jones | Production Design |
| Laura Altmann | Associate Producer |
| Jeanette Volturno | Co-Producer |
| Leigh Whannell | Producer |
| Hunter Brown | Art Direction |
| Brian Kavanaugh-Jones | Executive Producer |
| Charles Layton | Executive Producer |
| Jennifer Scudder Trent | Post Production Supervisor |
| Phillip Dawe | Co-Producer |
| Todd Tucker | Special Effects Makeup Artist |
| Couper Samuelson | Executive Producer |
| Dan Laz Lazarovits | Associate Producer |
| Frank Forte | Storyboard Artist |
| Jim Small | Assistant Location Manager |
| Adam Robitel | Director |
| Emily Brobst | Stunts |
| Cassandra McCormick | Stunts |
| Aaron A. Goffman | Additional Photography |
| Joseph Bishara | Original Music Composer |
| Aaron A. Goffman | Property Master |
| Leigh Whannell | Characters |
| Meegan E. Godfrey | Stunts |
| Jason Blum | Producer |
| Oren Peli | Producer |
| James Wan | Producer |
| Leigh Whannell | Writer |
| Toby Oliver | Director of Photography |
| Couper Samuelson | Executive Producer |
| Bailey Conway | Executive Producer |
| Laura Altmann | Associate Producer |
| Melanie Jones | Production Design |
| Brian Kavanaugh-Jones | Executive Producer |
| Sandra Skora | Set Decoration |
| Timothy Alverson | Editor |
| Terri Taylor | Casting |
| Todd Tucker | Special Effects Makeup Artist |
| Steven Schneider | Executive Producer |
| Charles Layton | Executive Producer |
| Hunter Brown | Art Direction |
| Lisa Norcia | Costume Design |
| Jeanette Volturno | Co-Producer |
| Phillip Dawe | Co-Producer |
| Rick Osako | Co-Producer |
| Leigh Whannell | Producer |
| Jennifer Scudder Trent | Post Production Supervisor |
| Ryan Turek | Development Producer |
| Dan Lazarovits | Associate Producer |
| Frank Forte | Storyboard Artist |