History Trivia / GhostbustersAfterlife

* DawsonCasting:
** Subverted with Finn Wolfhard who was 16 while filming and plays the 15 year old Trevor Spengler.
** Also subverted for Mckenna Grace who was the same age as Phoebe during filming.

** Creator/OliviaWilde, Emma Porrter,and Creator/ShohrehAghdashloo take over the body and voice roles for Gozer from Slavitza Jovan and the late Creator/PaddiEdwards. Given Gozer ''is'' a deity and shapeshifting is part of its shtick, the chance in appearance/voice between films can be handwaved and justified in-universe.

* Creator/OliviaWilde, Emma Porrter,and Creator/ShohrehAghdashloo take over the body and voice roles for Gozer from Slavitza Jovan and the late Creator/PaddiEdwards. Given Gozer ''is'' a deity and shapeshifting is part of its shtick, the chance in appearance/voice between films can be handwaved and justified in-universe.

* UncreditedRole: Creator/OliviaWilde as Gozer - credits went only to Emma Portner, who does the Destroyer's hobbled CGI form, and Shohreh Aghdashloo as its voice. This is an inverse of the original film, where Slavitza Jovan, who physically portrayed Gozer, was credited, while Creator/PaddiEdwards, who did the voice, was not.

* IKnewIt: While the plot synopsis didn't identify Callie's father, most fans correctly guessed that it was Egon.

* WhatCouldHaveBeen: Jason Reitman and Gil Kenan revealed that a version of Callie and Phoebe's argument ended with Callie breaking the P.K.E. meter, the MissingTrailerScene of Phoebe working on something in her room is what remains. This scene was changed due to test audiences ''hating'' Callie for her actions and making her UnintentionallyUnsympathetic.

* RelationshipVoiceActor: In the Japanese dub, [[Creator/YuukiKaji Trevor Spengler]] and [[Creator/YokoHikasa Lucky Domingo]] are [[LightNovel/HighSchoolDXD Issei Hyodo and Rias Gremory]].

** The Japanese dub brought back all the living voice actors from [[DuelingDubs the home video dub]], being the only replacements [[spoiler:Gozer]] as the character is now voiced by a CelebrityVoiceActor instead, replacing Rin Mizuhara, and Winston, who is now voiced voiced by Creator/MasashiSugawara, replacing both Creator/BanjoGinga from the dub of the first film and Creator/AkioOhtsuka from the dub of the second one.[[note]]Creator/YoshitoYasuhara as Peter Venkman, Creator/TesshoGenda as Ray Stanz, Shigeru Ushiyama as Egon Spengler, Creator/ShinobuAdachi as Janine Melnitz and Yui Komatsuka as Dana Barret.[[/note]]

* CelebrityVoiceActor: In the Japanese dub, Phoebe Spengler is voiced by movie actress Moka Kamishiraishi, better known for voicing Kun in ''Anime/MiraiOfTheFuture''. Likewise, [[spoiler:Gozer]] and the mini-Marshmallow Men are voiced by comedian and fashion designer Naomi Watanabe.[[note]]Curiously enough, she previously voiced Abbby Yates in ''Film/Ghostbusters2016''.[[/note]]

** The Japanese dub brought back all the living voice actors from [[DuelingDubs the home video dub]], being the only replacements [[spoiler:Gozer]] as the character is now voiced by a CelebrityVoiceActor instead, replacing Rin Mizuhara, and Winston, who is now voiced voiced by Masashi Sugawara, replacing both Creator/BanjoGinga from the dub of the first film and Creator/AkioOhtsuka from the dub of the second one.[[note]]Creator/YoshitoYasuhara as Peter Venkman, Creator/TesshoGenda as Ray Stanz, Shigeru Ushiyama as Egon Spengler, Creator/ShinobuAdachi as Janine Melnitz and Yui Komatsuka as Dana Barret.[[/note]]

* YouSoundFamiliar: In the Japanese dub, Callie, which is Egon's daughter, is voiced by Creator/RomiPark, who previously voiced Jillian Holtzman, Egon's DistaffCounterpart, in the dub of ''Film/Ghostbusters2016''. Likewise from the same film, Naomi Watanabe, who previously voiced Abby Yates, now voice both [[spoiler:Gozer]] and the mini-Marshmallow Men.

* TheOtherDarrin: While the Brazilian Portuguese dub managed to get most of the original cast back for the movie, the only exceptions are Ézio Ramos as Peter Venkman (Peter is instead dubbed by Hélio Ribeiro) and Isaura Gomes as Gozer (Gozer is instead dubbed by Luísa Viotti). In Ézio's case it was due to him having passed away in 1999[[note]]he still manages to reprise the role posthumously by the movie reusing the audio track of the original movie's dub whenever stock footage of the first movie appears[[/note]] and in Isaura's case it was because she had retired in 2020 (she would later pass away in 2022).

** The backstory of Egon's fallout with the rest of the Ghostbusters team parallels to the fallout between Creator/HaroldRamis and Creator/BillMurray during ''Groundhog Day'', which is believed to have contributed to the languished development of the third installment until this film.

** The film ultimately completed its filming in Calgary, Alberta from July-October 2019, but the global pandemic pushed its release from July 2020 to November 2021, and along with a mixed-at-best response to what was revealed so far in promotional materials. In January 2021, a clip from the Spanish version of ''Series/MasterChef Junior'' (!) revealing the new Ghost Muncher went viral for all the wrong reasons as fans criticized its design. Luckily, the final product (despite receiving criticism over its screenplay and excessive fanservice) ultimately was a box-office success, earning nearly $200 million against a $75 million budget (half that of the 2016 film) before home media sales.

** The Japanese dub brought back all the living voice actors from [[DuelingDubs the home video dub]], being the only replacements [[spoiler:Gozer]] as the character is now voiced by a CelebrityVoiceActor instead, replacing Rin Mizuharam and Winston, who is now voiced voiced by Masashi Sugawara, replacing both Creator/BanjoGinga from the dub of the first film and Creator/AkioOhtsuka from the dub of the second one.[[note]]Creator/YoshitoYasuhara as Peter Venkman, Creator/TesshoGenda as Ray Stanz, Shigeru Ushiyama as Egon Spengler, Creator/ShinobuAdachi as Janine Melnitz and Yui Komatsuka as Dana Barret.[[/note]]

* RoleReprise: All members of the original Ghostbusters (minus the late Creator/HaroldRamis, of course) from the first two films reprise their roles, as do Creator/SigourneyWeaver (Dana Barrett) and Creator/AnniePotts (Janine Melnitz). The only major actor to not reprise his role from the original film was Creator/RickMoranis (Louis Tully), who has been mostly retired.

* YouSoundFamiliar: In the Japanese dub, Callie, which is Egon's daughter, is voiced by Creator/RomiPark, who previously voiced Jillian Holtzman, Egon's DistaffCounterpart, in the dub of ''Film/Ghostbusters2016''. Likewise from the same film, Naomi Watanabe, who previously voiced Abby Yates, now voice both [[spoiler]]Gozer]] and the mini-Marshmallow Men.

* YouSoundFamiliar: In the Japanese dub, Callie, which is Egon's daughter, is voiced by Creator/RomiPark, who previously voiced Jillian Holtzman, Egon's DistaffCounterpart, in the dub of ''Film/Ghostbusters2016''. Likewise from the same film, Naomi Watanabe, who previously voiced Abby Yates, now voice [[spoiler]]Gozer.[[/note]]

* CelebrityVoiceActor: In the Japanese dub, Phoebe Spengler is voiced by movie actress Moka Kamishiraishi, better known for voicing Kun in ''Anime/MiraiOfTheFuture''.

* YouSoundFamiliar: In the Japanese dub, Callie, which is Egon's daughter, is voiced by Creator/RomiPark, who previously voiced Jillian Holtzman, Egon's DistaffCounterpart, in the dub of ''Film/Ghostbusters2016''.

* CaliforniaDoubling: Fort Macleod, Alberta stands for the Midwestern town of Summerville. The trailer also shows scenes recognizably filmed in Calgary, Drumheller, Turner Valley, Beiseker, Dorothy, and Crossfield--all of which are in UsefulNotes/{{Canada}}.