Harold Allen Ramis was an American actor, director, and writer, specializing in comedy. His best-known film acting roles are as Egon Spengler in Ghostbusters (1984) and Russell Ziskey in Stripes (1981), both of which he co-wrote. As a writer/director, his films include the comedies Caddyshack (1980), Groundhog Day (1993), and Analyze This (1999). He was the original head writer of the TV series SCTV (in which he also performed), and one of three screenwriters for the film National Lampoon's Animal House (1978).
Ghostbusters
(Egon Spengler)
Stripes
(Russell Ziskey)
Ghostbusters II
(Dr. Egon Spengler)
Knocked Up
(Ben's Dad)
Baby Boom
(Steven Buchner)
I'm with Lucy
(Jack)
Walk Hard: The Dewey Cox Story
(L'Chai'm)
The Last Kiss
(Professor Bowler)
Heavy Metal
(Zeke (voice))
Stealing Home
(Alan Appleby)
Ghostbusters: Afterlife
(Dr. Egon Spengler (archive footage) (uncredited))
The Rodney Dangerfield Special: I Can't Take It No More
(Self / Various)
Cleanin' Up the Town: Remembering Ghostbusters
(Self)
As Good as It Gets
(Dr. Bettes)
Orange County
(Don Durkett)
Groundhog Day
(Neurologist)
Year One
(Adam)
Airheads
(Chris Moore)
Love Affair
(Sheldon Blumenthal)
The Best of SCTV
Ghostbusters 1999
(Self)
Richard Lewis: I'm In Pain
(Self)
Chicago Filmmakers on the Chicago River
(Self)
Thank You, Del: The Story of the Del Close Marathon
(Self)
Drunk Stoned Brilliant Dead: The Story of the National Lampoon
(Self / Film Director (archive footage))
National Lampoon's Vacation
(Car salesman (voice) (uncredited))
The Earth Day Special
(Elon Spengler)
Students of 'The Graduate'
(Self)
Caddyshack: The 19th Hole
(Self - Director)
Inside Story: National Lampoon's Vacation
(Self)
Caddyshack: The Inside Story
(Himself)
The Yearbook: An Animal House Reunion
(Self - Writer)
Animal House: The Inside Story
(Self)
Belushi
(Self (archive footage))
Groundhog Day: The Weight of Time
(Self)
Spacehunter: Adventures in the Forbidden Zone
(Voice (Uncredited))
Godspell 2025
((archive footage))
The Daily Show
(Self)
Second City Television
SCTV Network 90
Second City: First Family of Comedy
(Self)
The Movies That Made Us
(Dr. Egon Spengler (archive footage))
Late Night with Jimmy Fallon
(Self)
Groundhog Day
(Screenplay)
Groundhog Day
(Producer)
Groundhog Day
(Director)
Ghostbusters
(Screenplay)
Bedazzled
(Director)
Bedazzled
(Screenplay)
Bedazzled
(Producer)
Armed and Dangerous
(Screenplay)
Ghostbusters II
(Screenplay)
National Lampoon's Vacation
(Director)
Stripes
(Screenplay)
Animal House
(Writer)
Caddyshack
(Director)
Multiplicity
(Producer)
Multiplicity
(Director)
Ghostbusters: Afterlife
(Original Film Writer)
The Ice Harvest
(Director)
Analyze This
(Screenplay)
Analyze This
(Director)
Stuart Saves His Family
(Director)
Club Paradise
(Director)
Analyze That
(Screenplay)
Analyze That
(Director)
Back to School
(Screenplay)
The Rodney Dangerfield Show: It's Not Easy Bein' Me
(Writer)
Year One
(Screenplay)
Year One
(Director)
Caddyshack II
(Screenplay)
Stork Day
(Original Film Writer)
The Best of SCTV
(Writer)
Rover Dangerfield
(Story)
Meatballs III: Summer Job
(Characters)
Caddyshack II
(Characters)
Back to School
(Executive Producer)
Ghostbusters
(Characters)
Ghostbusters: Frozen Empire
(Original Film Writer)
Club Paradise
(Screenplay)
Meatballs
(Writer)
Caddyshack
(Writer)
Ghostbusters II
(Characters)
Year One
(Producer)
The First $20 Million Is Always the Hardest
(Executive Producer)
I Want Someone to Eat Cheese With
(Executive Producer)
My Suicide
(Executive Producer)
The Office
(Director)
The Real Ghostbusters
(Creator)