Trivia: Vinnie Jones claimed he was offered a cameo role in this film reprising his role as Juggernaut from X-Men: The Last Stand, but turned it down as he did not like the process of having his costume put on.
Trivia: When Delores is reassembling herself, you can see she is missing the ring finger of her left hand. If you recall, Beetlejuice had this same finger adorned with a ring in his pocket when he attempted to marry Lydia in the first film.
Trivia: When Lacey Chabert turns on the TV for Jack, you see Lindsay Lohan onscreen. Lacey says, "Hmm, I went to school with a girl that looks like that." Lacey Chabert and Lindsay Lohan were in the Mean Girls movie together and were in school in that movie. (00:20:10)
Trivia: Lee Majors and Heather Thomas, who portrayed Colt Seavers and Jody Banks in the original television series, have cameos as the police officers who arrest Gail and Tom during the mid-credit scene.
Trivia: This film will actually have the shortest amount of time elapsed between installments, releasing around 2 years and 4 months after Ghostbusters: Afterlife. Ghostbusters 2 released 5 years after the original film, the 2016 film released 27 years after Ghostbusters 2, and Ghostbusters: Afterlife released 5 years after the 2016 film.
Trivia: This film's budget reportedly ballooned due to Dwayne Johnson frequently showing up late to set.
Trivia: Following the release of "Sonic the Hedgehog 2", co-star Jim Carrey stated that he was considering retiring from acting, as he felt he had "done enough" in the film industry and was becoming somewhat burned out. However, he eventually agreed to star in this film because he loves playing the evil-genius Dr. Robotnik. Carrey also laughingly admitted that the huge paycheck he got was one of the deciding factors, especially because he "buys a lot of stuff."
Trivia: Michael Bay, director of the first two films in the franchise, has a cameo as a pissed off driver who almost runs over Mike. He's driving a black 964 Porsche 911 Turbo, which is the same car Mike drove in the first film.