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)