Tim Robbins as Bob Roberts

Giancarlo Esposito as Bugs Raplin

Alan Rickman as Lukas Hart III

Ray Wise as Chet MacGregor

Brian Murray as Terry Manchester

Gore Vidal as Senator Brickley Paiste

Rebecca Jenkins as Delores Perrigrew

Harry Lennix as Franklin Dockett

John Ottavino as Clark Anderson

Robert Stanton as Bart Macklerooney

Kelly Willis as Clarissa Flan

Merrilee Dale as Polly Roberts

Tom Atkins as Dr. Caleb Mneck

David Strathairn as Mack Laflin

James Spader as Chuck Marlin

Pamela Reed as Carol Cruise

Helen Hunt as Rose Pondell

Eva Amurri as Child in Hospital

Jim West as Bus Driver

Peter Gallagher as Dan Riley

Lynne Thigpen as Kelly Noble

Bingo O'Malley as Robert Roberts, Sr.

Kathleen Chalfant as Constance Roberts

Ruth Lesko as School Teacher

Jack Black as Roger Davis

Matthew Faber as Calvin

Matt McGrath as Burt

Anita Gillette as Mrs. Davis

Susan Sarandon as Tawna Titan

Fred Ward as Chip Daley

Charles R. Altman as Debate Moderator

Shannon Holt as Rita

Staci Marie Marcum as Miss Philadelphia

Shira Piven as Penn State Protestor

Steve Pink as Penn State Protestor

Fisher Stevens as Rock Bork

Gil Robbins as Reverend Best

Angela Hall as Choir Soloist

Lee Robbins as Organ Player

John Cusack as Cutting Edge Host

Bob Balaban as Cutting Edge Producer

Allan F. Nicholls as Cutting Edge Director

June Stein as Cutting Edge Assistant Carol

Adam Simon as Cutting Edge Head Writer

Ned Bellamy as Uzi Kornhauser

Natalie Strong as Kala Kornhauser

Bernice Brourman as Nurse

Pat Logan as Policeman

Larry John Meyers as Police Spokesman

Robert Hegyes as Ernesto Galleano

Tom Tully as New York Reporter

Anthony DiLeo Jr. as New York Reporter

Jane Crawford as New York Reporter

Ann Talman as New York Reporter

Lamont Arnold as New York Reporter

Gabrielle Robbins as Singing Vigilante

Adele Robbins as Vigilante

Brian Powell as Vigilante

Paul Quinn as Vigilante

Dean Robinson as Vigilante

Jeff Foster as Vigilante

Jeremy Piven as Candle Seller

Lee Arenberg as Religious Zealot

David Sinaiko as Liberal

Brent Hinkley as Bif, the Patriot

Hal O'Leary as Senator Haydn

Don Brockett as Chairman

Linda King as Washington D.C. Reporter