p] The Ghostbusters ' theme song was a hit, and Halloween of 1984 was dominated by children dressed as the titular protagonists. Aykroyd, Ramis, and Reitman began reworking the script, first at Reitman's office, then sequestering themselves and their families on Martha's Vineyard, Massachusetts. Roger Grimsby, Larry King, Joe Franklin, and Casey Kasem make cameo appearances as themselves; Kasem in a voice-only role. The Environmental Protection Agency (EPA) explicitly does not believe in the ghosts or "waste" the Ghostbusters are collecting and, in turn, the Ghostbusters do not believe the EPA deserves obedience or compliance because of its ignorance. In a 2014 interview, he said: "I love the character and he's got some great lines, but I felt the guy was just kind of there .

The lighting used throughout the painting consumed so much power that the rest of the studio had to be shut down, and an additional four generators added, when it was in use. Ghostbusters is considered one of the best films of the 1980s, appearing on several lists based on this metric, including: number two by Film.By watching Ghostbusters, there's a sense that you can control this, that you can mitigate it somehow and it doesn't have to be that frightening. Many scenes had to be cut, including an asylum haunted by celebrities, and an illegal ghost-storage facility in a New Jersey gas station. When he passed on the idea, Yugoslavian actress Slavitza Jovan was cast and the character changed to one inspired by the androgynous looks of Grace Jones and David Bowie. Having failed to properly test their equipment, Egon warns the group that crossing the energy streams of their proton pack weapons could cause a catastrophic explosion. The unexpected success of Ghostbusters meant Columbia did not have a comprehensive merchandising plan in place to fully capitalize on the film at the peak of its popularity.

Erin Gilbert started her undergraduate work in Physics and Quantum Mechanics at University of Michigan. Against his earlier advice, Egon instructs the team to cross their proton energy streams at the dimensional gate. Paramount Pictures had scheduled the equally popular Beverly Hills Cop to release the day before Ghostbusters, forcing Columbia to release it a week earlier to avoid direct competition.The primarily male audience also results in female characters that are either absent or not important to the overall story.

The creature was one of many elaborate supernatural entities in Aykroyd's initial treatment, originally intended to emerge from the East River only 20 minutes into the film. Ultimately she went with them into the mansion and she had a direct interaction with the ghost, Gertrude Aldridge. Gozer appears as a woman and attacks the Ghostbusters, then disappears when they attempt to retaliate. A successful, recognizable brand could be used to launch spin-offs, helping establish a business model in the film industry that has since become the status quo. In the years since its release, Ghostbusters merchandise has included: soundtrack albums, action figures, books, Halloween costumes, various Lego and Playmobil sets including the Ectomobile and Firehouse, [143] [144] board games, [145] [146] slot machines, [147] pinball machines, [148] bobbleheads, statues, prop replicas, neon signs, ice cube trays, Minimates, coin banks, [139] Funko Pop figures, [149] footwear, [150] lunch boxes, and breakfast cereals.Abby Yates says: "Holtzmann and I are really busy here actualizing what we just theorized about in our book. Bernstein had to bring a musician from England to play the instrument because there were so few trained ondists. Directly next to 55 Central Park West is the Holy Trinity Lutheran Church, which is stepped on by the Marshmallow Man. According to Gross, two versions of the logo exist, with one having "ghostbusters" written across the diagonal part of the sign. Reitman's wife and their children, Jason and Catherine, filmed a cameo appearance as a family fleeing Dana's building, but the scene was cut because Jason was too scared by the setup to perform a second take.

Ghostbusters regained the number one spot the following week before spending the next five weeks at number two, behind the action film Red Dawn and then the thriller Tightrope. In the Tor Books Ghostbusters Novelization, on page 26, it's revealed Erin burned the only two original copies of Ghosts From Our Past and threw the ashes into the Hudson River in a weighted garbage bag. The necessity of the mayor outsourcing the ghost problem mirrors the real New York government ceding vast areas of real estate to corporations to stimulate renewal. During the Council of Logic and Data's annual nondenominational winter holiday office party in 2014, Martin Heiss received a copy of Ghosts From Our Past as a white elephant gift. Early on Reitman and Bernstein discussed the idea that Ghostbusters would feature popular music at specific points to complement Bernstein's original score.Hardware consultant Stephen Dane was responsible for designing most of the Ghostbusters' iconic equipment, including the "proton packs" used to wrangle ghosts, ghost traps, and their vehicle, the Ectomobile.