Dylan Baker
David Dellinger / David Stahl (voice)
Hank Azaria
Abbie Hoffman / Allen Ginsberg (voice)
Nick Nolte
Thomas Foran (voice)
Mark Ruffalo
Jerry Rubin (voice)
Roy Scheider
Judge Julius Hoffman (voice)
Liev Schreiber
William Kunstler (voice)
Jeffrey Wright
Bobby Seale (voice)
Debra Eisenstadt
Mary Ellen Dahl / Waitress (voice)
Lloyd Floyd
Robert Pierson / Arthur Aznavoorian / Police Officer (voice)
Ebon Moss-Bachrach
Paul Krassner (voice)
James Urbaniak
Rennie Davis / Richard Schultz (voice)
David Boat
Norman Mailer / Marshal 1 (voice)
Catherine Curtin
Barbara Callender (voice)
Amy Ryan
Anita Hoffman (voice)
Chuck Montgomery
Lee Weiner (voice)
Ted Marcoux
Robert Murray (voice)
John Rubano
Weaver (voice)
Reg Rogers
Tom Hayden / Unidentified Yippie / Marshal 3 (voice)
Roger L. Jackson
Marshal 2 / Reporter 4 / Reporter 6 (voice)
Leonard Weinglass
Self (voice)
Daniel Hagen
Bailiff (voice)
Julián Rebolledo
Reporter 2 (voice) (as Julian Dean)
Christopher Murney
Meany / Oklepek 1 / Reporter 1 (voice)
Jay Potter
Reporter 3 / Reporter 5 (voice)
Phillip Piro
Oklepek 2 (voice)
Walter Cronkite
Self (archive footage)
Allen Ginsberg
Self (archive footage)
Lyndon B. Johnson
Self (archive footage)
Abbie Hoffman
Self (archive footage)
Tom Hayden
Self (archive footage)
Paul Krassner
Self (archive footage)
Bobby Seale
Self (archive footage)
David Dellinger
Self (archive footage)
Jerry Rubin
Self (archive footage)