Stephen Stanton as Roger Ebert (voice)

Roger Ebert as Self - Film Critic

Chaz Ebert as Self - Ebert's Wife

Ramin Bahrani as Self - Filmmaker

Richard Corliss as Self - Film Critic

Nancy De Los Santos as Self - TV Producer

Ava DuVernay as Self - Filmmaker

Bruce Elliot as Self - Ebert's Friend

Laura Emerick as Self - Journalist

Emil Evans as Self - Ebert's Step-Grandson

Raven Evans as Self - Ebert's Step-Granddaughter

Sonia Evans as Self - Ebert's Step-Daughter

Thea Flaum as Self - TV Producer

Josh Golden as Self - Ebert Website Designer

Werner Herzog as Self - Filmmaker

Marlene Iglitzen Siskel as Self - Siskel's Wife

Carol Iwata as Self - Ebert's Personal Assistant

Steve James as Self - Filmmaker / Narrator (voice)

Rick Kogan as Self - Newspaperman

Donna La Pietra as Self - TV Producer

John McHugh as Self - Ebert's Friend

Tom McNamee as Self - Journalist

Errol Morris as Self - Filmmaker

Howie Movshovitz as Self - Ebert's Friend

William Nack as Self - Writer

Gregory Nava as Self - Filmmaker

Jonathan Rosenbaum as Self - Filmmaker

Martin Scorsese as Self - Filmmaker

A. O. Scott as Self - Film Critic

Roger Simon as Self - Writer

Johnny Carson as Self - TV Host (archive footage)

Chevy Chase as Self - Actor (archive footage)

Pauline Kael as Self - Film Critic (archive footage)

David Letterman as Self - TV Host (archive footage)

Oprah Winfrey as Self - TV Host (archive footage)

Lynn Sherr as Self - TV Journalist (archive footage)

Gene Siskel as Self - Film Critic (archive footage)