Person

Harold Ramis

46 credits in the catalogue: acting, directing, writing.

On the wikisGhostbusters Wiki

Acting

Heavy Metal1981Zeke (voice)
Stripes1981Russell Ziskey
National Lampoon's Vacation1983Car salesman (voice) (uncredited)
Spacehunter: Adventures in the Forbidden Zone1983Voice (Uncredited)
Ghostbusters1984Dr. Egon Spengler
Baby Boom1987Steven Buchner
Ghostbusters II1989Dr. Egon Spengler
Groundhog Day1993Neurologist
Airheads1994Chris Moore
As Good as It Gets1997Dr. Bettes
Walk Hard: The Dewey Cox Story2007L'Chaim
Knocked Up2007Ben's Dad
Belushi2020Self (archive footage)
Ghostbusters: Afterlife2021Dr. Egon Spengler (archive footage) (uncredited)

Directing

Caddyshack1980Director
National Lampoon's Vacation1983Director
Club Paradise1986Director
Groundhog Day1993Director
Multiplicity1996Director
Analyze This1999Director
Bedazzled2000Director
The Ice Harvest2005Director

Writing

Animal House1978Writer
Meatballs1979Writer
Caddyshack1980Writer
Stripes1981Screenplay
Ghostbusters1984Screenplay
Back to School1986Screenplay
Club Paradise1986Screenplay
Armed and Dangerous1986Screenplay
Caddyshack II1988Screenplay
Caddyshack II1988Characters
Ghostbusters II1989Screenplay
Ghostbusters II1989Characters
Rover Dangerfield1991Story Developer
Rover Dangerfield1991Story
Groundhog Day1993Screenplay
Analyze This1999Screenplay
Bedazzled2000Screenplay
Ghostbusters2016Characters
Ghostbusters: Afterlife2021Original Film Writer
Ghostbusters: Frozen Empire2024Original Film Writer

Production

Back to School1986Executive Producer
Groundhog Day1993Producer
Multiplicity1996Producer
Bedazzled2000Producer