Dylan Baker as David Dellinger / David Stahl (voice)

Hank Azaria as Abbie Hoffman / Allen Ginsberg (voice)

Nick Nolte as Thomas Foran (voice)

Mark Ruffalo as Jerry Rubin (voice)

Roy Scheider as Judge Julius Hoffman (voice)

Liev Schreiber as William Kunstler (voice)

Jeffrey Wright as Bobby Seale (voice)

Debra Eisenstadt as Mary Ellen Dahl / Waitress (voice)

Lloyd Floyd as Robert Pierson / Arthur Aznavoorian / Police Officer (voice)

Ebon Moss-Bachrach as Paul Krassner (voice)

James Urbaniak as Rennie Davis / Richard Schultz (voice)

David Boat as Norman Mailer / Marshal 1 (voice)

Catherine Curtin as Barbara Callender (voice)

Amy Ryan as Anita Hoffman (voice)

Chuck Montgomery as Lee Weiner (voice)

Ted Marcoux as Robert Murray (voice)

John Rubano as Weaver (voice)

Reg Rogers as Tom Hayden / Unidentified Yippie / Marshal 3 (voice)

Roger L. Jackson as Marshal 2 / Reporter 4 / Reporter 6 (voice)

Leonard Weinglass as Self (voice)

Daniel Hagen as Bailiff (voice)

Julián Rebolledo as Reporter 2 (voice) (as Julian Dean)

Christopher Murney as Meany / Oklepek 1 / Reporter 1 (voice)

Jay Potter as Reporter 3 / Reporter 5 (voice)

Phillip Piro as Oklepek 2 (voice)

Walter Cronkite as Self (archive footage)

Allen Ginsberg as Self (archive footage)

Lyndon B. Johnson as Self (archive footage)

Abbie Hoffman as Self (archive footage)

Tom Hayden as Self (archive footage)

Paul Krassner as Self (archive footage)

Bobby Seale as Self (archive footage)

David Dellinger as Self (archive footage)

Jerry Rubin as Self (archive footage)

Richard J. Daley as