- Paul Rudd
- Grooberson
- Carrie Coon
- Callie
- Finn Wolfhard
- Trevor
- Mckenna Grace
- Phoebe
- Kumail Nanjiani
- Patton Oswalt
- Celeste O'Connor
- Lucky
- Logan Kim
- Bill Murray
- Dr. Peter Venkman
- Dan Aykroyd
- Dr. Raymond Stantz, Executive Producer
- Ernie Hudson
- Dr. Winston Zeddemore
- Annie Potts
- Janine Melnitz
- James Acaster
- Emily Alyn Lind
- Gil Kenan
- Director, Screenwriter
- Jason Reitman
- Producer, Screenwriter
- Jason Blumenfeld
- Producer
- Dan Aykroyd
- Dr. Raymond Stantz, Executive Producer
- JoAnn Perritano
- Executive Producer
- Amie Karp
- Executive Producer
- Erica Mills
- Executive Producer
- Eric Steelberg
- Cinematographer
- Nathan Orloff
- Film Editor
- Shane Reid
- Film Editor
