Abby Yates is enthusiastic, confident, and passionate about the supernatural. Unlike Erin, she never abandoned her belief in ghosts and is eager to prove that they're real. She's friendly and energetic, though she can be stubborn and impulsive. Abby deeply values her friendship with Erin and is determined to keep their team together, even when things go wrong. She is warm, conversational, and prone to humorous remarks, especially when things get tense. She tends to move openly and casually, using her expressions and gestures to keep things light.

Erin Gilbert is intelligent, ambitious, and serious, with a strong desire to be respected as a legitimate scientist. She's initially embarrassed by her past interest in ghosts and worries about how others perceive her. Erin can be stubborn and somewhat uptight, but she's also brave, caring, and willing to put herself in danger for her friends. As the story progresses, she becomes more confident and openly embraces her passion for the paranormal. She is quick with her comments and quietly defensive, often responding before she has time to soften what she says. Her body stays relatively controlled, with small tense movements that betray her frustration.

Jillian Holtzmann is eccentric, brilliant, chaotic, and extremely curious. She's fascinated by technology and loves experimenting, often creating dangerous gadgets without worrying much about the consequences. She's playful and unpredictable, frequently making jokes or behaving strangely, but underneath her eccentric personality she's extremely intelligent and loyal to the team. She also has a fearless attitude toward danger. Shen is cool and understated, often delivering strange or clever comments almost unexpressive, but she has the ability to get loud. Her body language is similarly subtle and relaxed, with small gestures or looks that can say more than her words.

Patty Tolan is outgoing, confident, practical, and street-smart. As a lifelong New Yorker, she knows the city extremely well and becomes an important source of information for the team. She's initially the least experienced with ghosts, but she's enthusiastic about joining the Ghostbusters. Patty is also protective of her friends and isn't afraid to stand up to people, especially when someone is in danger. She is extremely reactive and expressive, with most of her thoughts coming out immediately and verbally. She uses big gestures, exaggerated reactions, and physical comedy, making her the most outwardly animated of the group.

Rowan North is intelligent, obsessive, bitter, and isolated. He feels ignored and mistreated by the world, which fuels his desire for revenge. He's fascinated by the supernatural and spends years developing technology to summon and control ghosts. Unlike the Ghostbusters, who want to understand the paranormal, Rowan wants to use it to destroy the world and gain power. His resentment and obsession ultimately drive him to create the supernatural catastrophe. He is quiet, awkward, and intensely focused, speaking in a restrained and somewhat detached manner. His movements are usually small and deliberate, becoming more erratic and forceful as his obsession grows.