Harvey

Paul Giamatti

Harvey Pekar

Harvey Pekar

Joyce Brabner

Hope Davis

Interviewer

Shari Springer Berman

Toby Radloff

Judah Friedlander

Robert Crumb

James Urbaniak

Mr. Boats

Earl Billings

Herself

Joyce Brabner

Fred

James McCaffrey

Danielle

Madylin Sweeten

Bob The Director

Robert Pulcini

Alice Quinn

Maggie Moore

Young Harvey

Daniel Tay

Stage Actor Harvey

Donal Logue

Lana

Vivienne Benesch

Toby Radloff

Toby Radloff

Real Danielle

Danielle Batone

Stage Actor Joyce

Molly Shannon

Robin

Josh Hutcherson

The Guitarist

Eytan Mirsky

Superman

Chris Ambrose

Batman

Joey Krajcar

Green Lantern

Cameron Carter

Housewife

Mary Faktor

MTV Director

Ebon Moss-Bachrach

Marty

Danny Hoch

Self (archive footage)

David Letterman

Throat Doctor

Larry John Myers

Self (archive footage)

Kurt Loder

Nurse

Barbara Brown

Throat Doctor

Larry John Meyers

Pahls

Eli Ganias

Old Jewish Lady

Sylvia Kauders

Cashier

Rebecca Borger

Mattress Guy No. 1

Nick Baxter

Mattress Guy No. 2

Allen Branstein

WW II Patient

Dick Prochaska

Doctor

Charles Eduardos

Counter Girl

Bianca Santos

Rand

Mike Rad

Cheery Waitress

Amy K. Harmon

Stage Manager

Rob Grader

Letterman Regular

Terrence Sullivan

Yuppie

Patrick Lafferty

Miguel

Jesse Perez

Talk Show Host

Jeff Peters

PA No. 1

Ola Creston

Cancer Doctor

Robert J. Williams

Letterman Regular (voice)

Jason Stevens

Talk Show Host (voice)

Todd Cummings