Tim Robbins (Bob Roberts)
Giancarlo Esposito (Bugs Raplin)
Alan Rickman (Lukas Hart III)
Ray Wise (Chet MacGregor)
Brian Doyle-Murray (Terry Manchester)
Gore Vidal (Senator Brickley Paiste)
Robert Hegyes (Reporter Ernesto Galleano)
Don Hewitt, Sr. (Stunts #1)
Dean Robinson (Vigilante)
Lynne Thigpen (Kelly Noble)
Natalie Strong (Kala Kornhauser, "Cutting Edge Live")
June Stein (Carol, "Cutting Edge Live")
Tom Tully (Reporter)
Paul Quinn (Vigilante)
Adele Robbins (Vigilante)
Adam Simon (Head Writer, "Cutting Edge Live")
Steve Pink (Penn State Protester)
Ann Talman (Reporter)
Jack Black (Roger)
Matthew Faber (Calvin)
Merrilee Dale (Polly Roberts)
Jerry Hewitt (Stunts #2)
Susan Shaw (Dancer)
Linda King (DC Reporter)
Jeremy Piven (Candle Seller)
Rhonda Aldrich
Lamont Arnold (Reporter)
Tom Atkins (Dr. Caleb Menck)
Ned Bellamy (Uzi Kornhauser, "Cutting Edge Live")
Shannon Holt (Rita the Obsessive Fan)
Brent Hinkley (Bif the Patriot)
Angela Hall (Choir Soloist)
Anita Gillette (Mrs. Davis)
Anthony di Leo, Jr. (Reporter)
Kathleen Chalfant (Constance Roberts)
Ruth Lesko (School Teacher)
Don Brockett (Chairman)
Bingo O'Malley (Robert Roberts Sr.)
Allan Nicholls (Director, "Cutting Edge Live")
Charles R. Altman (Debate Moderator)
Larry John Meyers (Police Spokesman)
Lee Arenberg (Religious Zealot)
Matt McGrath (Burt)
Pat Logan (Policeman)
John Cusack (Cutting Edge Host (special appearance))
Peter Gallagher (News Anchor Dan Riley)
Pamela Reed (News Anchor Carol Cruise)
Susan Sarandon (News Anchor Tawna Titan)
James Spader (News Anchor Chuck Marin)
David Strathairn (Bug's Attorney Mack Laflin)
Fred Ward (News Anchor Chip Daley)
Bob Balaban (Producer Michael Janes, "Cutting Edge Live")
Helen Hunt (Reporter Rose Pondell)
Fisher Stevens (Reporter Rock Bork)
Rebecca Jenkins (Delores Perrigrew)
Harry J. Lennix (Franklin Dockett)
Robert Stanton (Bart Macklerooney)
John Ottavino (Clark Anderson)