Harold Ramis

as Self (archive footage)

as Self (archive footage)

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

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

as Self (archive footage)

as Self

as Dr. Egon Spengler (archive footage)

as Self

as Self - Actor / Director (archive footage)

as Self

as Himself

as Adam

as Self

as Self

as L'Chaim

as Himself

as Ben's Dad

as Self

as Professor Bowler

as Self

as Self

as Jack

as Self

as Don Durkett

as Self

as Self - Director

as Self - Writer

as Dr. Bettes

as Self

as Sheldon Blumenthal

as Chris Moore

as Neurologist

as Elon Spengler

as Dr. Egon Spengler

as Alan Appleby

as Steven Buchner

as Self

as Egon Spengler

as Self / Various

as Car salesman (voice) (uncredited)

as Voice (Uncredited)

as Zeke (voice)

as Russell Ziskey

as Self - Various Characters