Mckenna Grace Phoebe Spengler Finn Wolfhard Trevor Spengler Carrie Coon Callie Spengler Bokeem Woodbine Sheriff Domingo Paul Rudd Gary Grooberson Logan Kim Podcast Celeste O'Connor Lucky Bill Murray Peter Venkman Dan Aykroyd Ray Stantz Ernie Hudson Winston Zeddemore Annie Potts Janine Melnitz Sigourney Weaver Dana Barrett Bob Gunton The Ghost Farmer J.K. Simmons Ivo Shandor Shawn Seward Skittles Billy Bryk Zahk Sydney Mae Diaz Swayze Paulina Alexis Bunny Marlon Kazadi Thick Neck Danielle Kennedy Roller Granny Artoun Nazareth Rufus Dusan Rokvic Landlord Emma Portner Spirit of Gozer Stella Aykroyd Deputy Medjuck Josh Gad Muncher (voice) Shohreh Aghdashloo Gozer (voice) Tracy Letts Jack (uncredited) Olivia Wilde Gozer the Gozerian (uncredited) Harold Ramis Dr. Egon Spengler (archive footage) (uncredited) Oliver Cooper Elton (uncredited) CJ Collard Diner Patron (uncredited) Bud Klasky Sheriff / Restaurant (uncredited) Faith Louissaint Diner Counter Staff (uncredited) Daniel D'Angelo Sparks Walmart Customer (uncredited) Ira Heiden Mini Stay-Puft Marshmallow Men (voice) (uncredited) Sarah Natochenny Mini Stay-Puft Marshmallow Men (voice) (uncredited)