Demetri Martin as Elliot Teichberg

Imelda Staunton as Sonia Teichberg

Henry Goodman as Jake Teichberg

Jonathan Groff as Michael Lang

Eugene Levy as Max Yasgur

Emile Hirsch as Billy

Dan Fogler as Devon

Liev Schreiber as Vilma

Mamie Gummer as Tisha

Jeffrey Dean Morgan as Dan

Adam Pally as Artie Kornfeld

Kevin Sussman as Stan

Skylar Astin as John Roberts

Daniel Eric Gold as Joel Rosenman

Paul Dano as VW Guy

Kelli Garner as VW Girl

Richard Thomas as Don

Kevin Chamberlin as Jackson Spiers

Christina Kirk as Carol

Katherine Waterston as Penny

Clark Middleton as Frank

Bette Henritze as Annie

Sondra James as Margaret

Adam LeFevre as Dave

Andy Prosky as Bob

Anthoula Katsimatides as Esther

Lee Wong as George the Doorman

Edward Hibbert as British Gentleman

Caitlin FitzGerald as Young Woman

Michael J. Burg as Journalist

Taunia Hottman-Hubbard as Journalist

David Lavine as Journalist

Gabriel Sunday as Steven

Stephen Kunken as Mel

Pippa Pearthree as Miriam

Louisa Krause as Hippie Girl

Spadaque Volcimus as Hippie Guy

Bill Coelius as Inspector

Nick Taylor as Inspector

Michael Izquierdo as John Morris

Will Janowitz as Chip Monck

James Hanlon as State Trooper

David Wilson Barnes as News Reporter

Marjorie Austrian as St. Paul Lady

Kyle Plante as Interviewer

Lewis Zucker as Worker

Carmel Amit as Earthlight Player

Zachary Booth as Earthlight Player

Jennifer Merrill as Earthlight Player

Ivan Sandomire as Earthlight Player

Matthew Shear as Earthlight Player

Darcy Bledsoe as Earthlight Player

Halley Cianfarini as Earthlight Player

Jesse Kile as Earthlight Player

Ashley Middlebrook as Earthlight Player

Bec Stupak as Earthlight Player

Josh Safdie as Documentary Cameraman (uncredited)