American Splendor

Paul Giamatti

As Harvey Pekar

Hope Davis

As Joyce Brabner

Judah Friedlander

As Toby Radloff

James Urbaniak

As Robert Crumb

Earl Billings

As Mr. Boats

James McCaffrey

As Fred

Maggie Moore

As Alice Quinn

Vivienne Benesch

As Lana

Daniel Tay

As Young Harvey

Harvey Pekar

As Real Harvey

Donal Logue

As Stage Actor Harvey

Josh Hutcherson

As Robin

Joyce Brabner

As Joyce Brabner

Molly Shannon

As Stage Actor Joyce

Toby Radloff

As Toby Radloff

Eytan Mirsky

As Guitarist

Joey Krajcar

As Batman

Chris Ambrose

As Superman

Cameron Carter

As Green Lantern

Mary Faktor

As Housewife

Madylin Sweeten

As Danielle

Ebon Moss-Bachrach

As MTV Director

David Letterman

As Self (archive footage)

Kurt Loder

As Self (archive footage)

Shari Springer Berman

As Interviewer (voice)

Larry John Meyers

As Throat Doctor

Barbara Brown

As Nurse

Danny Hoch

As Marty

Eli Ganias

As Pahls

Sylvia Kauders

As Old Jewish Lady

Rebecca Borger

As Cashier

Nick Baxter

As Mattress Guy #1

Allen Branstein

As Mattress Guy #2

Dick Prochaska

As WWII Patient

Charles Eduardos

As Doctor

Robert Pulcini

As Bob the Director

Bianca Santos

As Counter Girl

Mike Rad

As Rand

Amy K. Harmon

As Cheery Waitress

Rob Grader

As Stage Manager

Terrence Sullivan

As Letterman Regular

Patrick Lafferty

As Yuppie

Jesse Perez

As Miguel

Jeff Peters

As Talk Show Host

Ola Creston

As PA #1

Robert J. Williams

As Cancer Doctor

Jason Stevens

As Letterman Regular (voice)

Todd Cummings

As Talk Show Host (voice)