John Candy as Self (archive footage)

Tom Hanks as Self - Actor, Splash

Steve Martin as Self - Actor, 'Planes, Trains and Automobiles'

Martin Short as Self - Actor, SCTV

Eugene Levy as Self - Actor, SCTV

Macaulay Culkin as Self - Actor, Uncle Buck

Bill Murray as Self - Mainstage Cast, The Second City

Catherine O'Hara as Self - Actor, SCTV

Conan O'Brien as Self - Comedian & Podcast Host

Mel Brooks as Self - Director, Spaceballs

Jennifer Candy as Self - John's Daughter

Chris Candy as Self - John's Son

Dan Aykroyd as Self - Mainstage Cast, The Second City

Dave Thomas as Self - Actor, SCTV

Andrea Martin as Self - Actor, SCTV

Robin Duke as Self - Actor, SCTV

Don Lake as Self - Actor, Wagons East

Chris Columbus as Self - Director, Home Alone

Steve Aker as Self - John's Cousin

Rose Candy as Self - John's Wife

Pat Kelly as Self - Childhood Friend

Terry Enright as Self - Childhood Friend

Ennio Gregoris as Self - Childhood Friend

Tom Davidson as Self - Childhood Friend

Rita Davidson as Self - Childhood Friend

Catherine McCartney as Self - Talent Agent

Andrew Alexander as Self - Founder, The Second City Toronto

Kelvin Pruenster as Self - Argonauts Lineman, Trainer & Friend

Kareem Abdul-Jabbar as Self (archive footage)

John Belushi as Self - Actor, Saturday Night Live (archive footage)

Valri Bromfield as Self - Actor (archive footage)

Evangeline Candy as Self - John's Mother (archive footage)

Jim Candy as Self - John's Brother (archive footage)

Sidney Candy as Self - John's Father (archive footage)

Johnny Carson as Self - Host, The Tonight Show Starring Johnny Carson (archive footage)

Dick Cavett as Self - Host, The Dick Cavett Show (archive footage)

John Chancellor as Self - Host, NBC Nightly News (archive footage)

Charlie Chaplin as Self - Actor (archive footage)

Chevy Chase as Self - Actor, National Lampoon's Vacation (archive footage)

Kevin Costner as Self - Actor (archive footage)

John Diehl as Self - Actor, Stripes (archive footage)

Bob Dylan as Self - Singer (archive footage)

Roger Ebert as Self - Film Critic (archive footage)

Joe Flaherty as Self - Actor, SCTV (archive footage)

Victor Garber as Self - Actor (archive footage)

Jackie Gleason as Self - Actor (archive footage)

Wayne Gretzky as Self - Co-Owner of the Toronto Argonauts (archive footage)

Daryl Hall as Self - Singer (archive footage)

Ron Howard as Self - Director, Splash (archive footage)

Ernie Hudson as Self - Actor (archive footage)

John Hughes as Self - Writer, Director & Producer (archive footage)

Larry King as Self - Host, Larry King Live (archive footage)

David Letterman as Self - Host, Late Night with David Letterman (archive footage)

Ray Liotta as Self - Actor (archive footage)

Peter Mansbridge as Self - News Anchor (archive footage)

Bruce McNall as Self - Co-Owner of the Toronto Argonauts (archive footage)

Marilyn Suzanne Miller as Self - Writer, Saturday Night Live (archive footage)

Rick Moranis as Self - Actor SCTV (archive footage)

Eddie Murphy as Self - Actor, Saturday Night Live (archive footage)

Jack Nicholson as Self - Actor (archive footage)

Maureen O'Hara as Self (archive footage)

John Oates as Self - Singer (archive footage)

Joe Piscopo as Self - Actor, Saturday Nigh Live (archive footage)

Sydney Pollack as Self - Director (archive footage)

Richard Pryor as Self - Actor (archive footage)

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

Carl Reiner as Self - Director, Summer Rental (archive footage)

Judge Reinhold as Self - Actor, Stripes (archive footage)

Peter Sellers as Self - Actor (archive footage)

Steven Spielberg as Self - Director, 1941 (archive footage)

Betty Thomas as Self - Actor (archive footage)