Bruce Davison as Simon

Kim Darby as Linda

Bud Cort as Elliot

Murray MacLeod as George

Tom Foral as Coach

Bob Balaban as Elliot

Michael Margotta as Swatch

Israel Horovitz as Dr. Benton

James Kunen as Chairman

Jeannie Berlin as Girl with Clipboard

Carol Bagdasarian as Girl on Telephone

Jon Hill as Student

Jess Walton as Student

Andrew Parks as Student

Kristin Van Buren as Girl in Filing Room

Booker Bradshaw as Lucas

Drew Eshelman as Tim

Greta Pope as Song Leader

Danny Goldman as Charlie

Kristina Holland as Irma

David Dukes as Student Guard

Ed Greenberg as Bearded Leader

Kertia Thomas as Student Speaker

Debbie Muller as Student Speaker

Bruce Neckels as Student Speaker

Larry Canaga as Guerilla Theatre Troupe

Justin Christopher as Guerilla Theatre Troupe

Diana Henrichsen as Guerilla Theatre Troupe

Robin Menken as Guerilla Theatre Troupe

Christopher Pray as Guerilla Theatre Troupe

John R. Pray as Guerilla Theatre Troupe

Paul Willson as Guerilla Theatre Troupe

James Coco as Grocer

Eddra Gale as Dean's Secretary

Henry Leff as Police Inspector

Bert Remsen as Policeman at Gate

Joe Quinn as Professor

Pat May as Red Mountain Jug Band

Bill Boelk as Red Mountain Jug Band

Randy Thornally as Red Mountain Jug Band

Pat Rooney as Red Mountain Jug Band

Jack Schmidt as University President

King Moody as TV Newscaster

Bill Striglos as TV Technician

Joseph Reale as Jock

Nancy Burnett as Woman

Margo Winkler as Woman

Ruth Silveira as Woman

Julie Payne as Woman

Bill Riddle as Leader Riot Policeman (uncredited)

Erick Vinther as Student Dissadent (uncredited)