Mckenna GracePhoebe Spengler
Paul RuddGary Grooberson
Carrie CoonCallie Spengler
Finn WolfhardTrevor Spengler
Dan AykroydRay Stantz
Kumail NanjianiNadeem Razmaadi
Patton OswaltDr. Hubert Wartzki
Celeste O'ConnorLucky Domingo
Logan KimPodcast
Emily Alyn LindMelody
James AcasterLars Pinfield
Bill MurrayPeter Venkman
Ernie HudsonWinston Zeddemore
Annie PottsJanine Melnitz
William AthertonMayor Walter Peck
Shelley WilliamsSenior Advisor
Chris TummingsPolice Chief
John RothmanLibrary Administrator
Stephen WhitfieldFire Captain (1904)
Samuel GrecoFirefighter (1904)
Chris GinesiFirefighter (1904)
Brandon BurkeFirefighter (1904)
Karack OsbornFirefighter (1904)
Kevin MangoldSlimer (Puppeteer)
Ian WhyteGarraka (Puppeteer)
Natalie CousteauDadi
Allison McKayMs. Mikowski
Adam SpeersDoll Owner
Claire TitelmanNews Correspondent
Kalisha Amaris JohnsonReporter
Evelyn EdwardsReporter
Andrew GoddardReporter
Deeivya MeirReporter
Sophia Lucia ParolaWoman (Beach)
Megan RobinsonMother (Coffee Shop)
Evelyn Anne BullsChild (Coffee Shop)
Camari BrownMan Running Away (Beach)
Claudia Nell McCoyWoman Running Away (Beach)
Damian MuzianiTaxi Driver (In Traffic)
Remy GerminarioTourist Couple Looking at Map
Michael KushnerTourist Couple Looking at Map
Deisy PatiñoWoman's Friend at Beach
Victoria GilerWoman's Friend at Beach
Cassidy GoronChild (Beach)
Georgia ArronPodcast's Fan
Jesse GallegosVape Shop Clerk
Jonathan MercedesNY Cop
Vinnie CoppolaNY Cop
A.J. VolitonNYC Bystander
Adam MurrayTruck Driver
Pat KiernanNews Anchor
Shelby YoungMini-Pufts (voice) (uncredited)
Ryan BartleyMini-Pufts (voice) (uncredited)