Mckenna Grace
Phoebe Spengler
Finn Wolfhard
Trevor Spengler
Carrie Coon
Callie Spengler
Bokeem Woodbine
Sheriff Domingo
Ernie Hudson
Winston Zeddemore
Annie Potts
Janine Melnitz
Sigourney Weaver
Dana Barrett
Bob Gunton
The Ghost Farmer
Chiara Petersen
Burner Girl
Danielle Kennedy
Roller Granny
Crystal Roseborough
Crystal
Emma Portner
Spirit of Gozer
Stella Aykroyd
Deputy Medjuck
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)