Phoebe Spengler
Mckenna Grace
Gary Grooberson
Paul Rudd
Lars Pinfield
James Acaster
Peter Venkman
Bill Murray
Winston Zeddemore
Ernie Hudson
Janine Melnitz
Annie Potts
Mayor Walter Peck
William Atherton
Senior Advisor
Shelley Williams
Police Chief
Chris Tummings
Library Administrator
John Rothman
Fire Captain (1904)
Stephen Whitfield
Firefighter (1904)
Samuel Greco
Callie Spengler
Carrie Coon
Chris Ginesi
Brandon Burke
Karack Osborn
Slimer (Puppeteer)
Kevin Mangold
Garraka (Puppeteer)
Ian Whyte
Dadi
Natalie Cousteau
Ms. Mikowski
Allison McKay
Doll Owner
Adam Speers
News Correspondent
Claire Titelman
Reporter
Kalisha Amaris Johnson
Trevor Spengler
Finn Wolfhard
Evelyn Edwards
Andrew Goddard
Deeivya Meir
Woman (Beach)
Sophia Lucia Parola
Mother (Coffee Shop)
Megan Robinson
Child (Coffee Shop)
Evelyn Anne Bulls
Man Running Away (Beach)
Camari Brown
Woman Running Away (Beach)
Claudia Nell McCoy
Taxi Driver (In Traffic)
Damian Muziani
Tourist Couple Looking at Map
Remy Germinario
Ray Stantz
Dan Aykroyd
Michael Kushner
Woman's Friend at Beach
Deisy Patiño
Victoria Giler
Child (Beach)
Cassidy Goron
Podcast's Fan
Georgia Arron
Vape Shop Clerk
Jesse Gallegos
NY Cop
Jonathan Mercedes
Vinnie Coppola
NYC Bystander
A.J. Voliton
Truck Driver
Adam Murray
Nadeem Razmaadi
Kumail Nanjiani
News Anchor
Pat Kiernan
Mini-Pufts (voice) (uncredited)
Shelby Young
Ryan Bartley
Influencer (uncredited)
Bella Glanville
Dr. Hubert Wartzki
Patton Oswalt
Lucky Domingo
Celeste O'Connor
Podcast
Logan Kim
Melody
Emily Alyn Lind
Producer
Ivan Reitman
Stunts
Aidan Brindle
Original Film Writer
Harold Ramis
Executive Producer
Nikita Mitchell
Director of Photography
Eric Steelberg
Editor
Shane Reid
Original Music Composer
Dario Marianelli
Writer
Jason Reitman
Casting
John Papsidera
Christina Petrou
Nathan Orloff
Production Design
Eve Stewart
Stunt Driver
Chris Cenatiempo
Gil Kenan
Director
Roy Farfel
Costume Design
Alexis Forte
Jason Blumenfeld
JoAnn Perritano
Amie Karp
Eric Reich
Erica Mills
Ruth Myers
Visual Effects Supervisor
Geoffrey Baumann
Visual Effects Producer
Nicole Rowley
Kerry Joseph
Animation
Marcus Armitage
Still Photographer
Jaap Buitendijk
Hair Designer
Jan Sewell
Makeup Designer
First Assistant "B" Camera
David Pearce
First Assistant "A" Camera
Olly Tellett