American Splendor

Paul Giamatti

Harvey Pekar

Hope Davis

Joyce Brabner

Judah Friedlander

Toby Radloff

James Urbaniak

Robert Crumb

Earl Billings

Mr. Boats

James McCaffrey

Fred

Maggie Moore

Alice Quinn

Vivienne Benesch

Lana

Daniel Tay

Young Harvey

Harvey Pekar

Real Harvey

Donal Logue

Stage Actor Harvey

Josh Hutcherson

Robin

Joyce Brabner

Joyce Brabner

Molly Shannon

Stage Actor Joyce

Toby Radloff

Toby Radloff

Eytan Mirsky

Guitarist

Joey Krajcar

Batman

Chris Ambrose

Superman

Cameron Carter

Green Lantern

Mary Faktor

Housewife

Madylin Sweeten

Danielle

Ebon Moss-Bachrach

MTV Director

David Letterman

Self (archive footage)

Kurt Loder

Self (archive footage)