Harold Ramis

as Dr. Egon Spengler

as Neurologist

Role: Characters

Role: Director

as Dr. Egon Spengler (archive footage) (uncredited)

as Dr. Egon Spengler

as Ben's Dad

as Dr. Bettes

Role: Original Film Writer

Role: Director

Role: Screenplay

as Adam

as Car salesman (voice) (uncredited)

Role: Writer

Role: Director

Role: Director

as Russell Ziskey

as Chris Moore

as Zeke (voice)

as L'Chaim

as Self

Role: Director

as Don Durkett

Role: Screenplay

as Steven Buchner

as Professor Bowler

Role: Writer

Role: Director

Role: Creator

Role: Screenplay

Role: Screenplay

Role: Original Film Writer

as Voice (Uncredited)

as Dr. Egon Spengler (archive footage)

as Self - Head Writer & Actor, SCTV (archive footage)

as Self

Role: Director

Role: Story Developer

as Self - Actor / Director (archive footage)

as Sheldon Blumenthal

as Alan Appleby

Role: Executive Producer

as Self (archive footage)

Role: Executive Producer

Role: Characters

Role: Executive Producer

as Jack

as Self (archive footage)

as Self - Various Characters

Role: Director

as Self

as Elon Spengler

as Self - Director

Role: Writer

as Self

as Self / Various

as Self

as Self

as Self - Writer

as Self

as Self

as Self

as Himself

as Self

Role: Writer

as Self

as Self (archive footage)

as Himself

as Self