Harry Chapin: When in Doubt, Do Something (2020)

Harry Belafonte

Self

Pat Benatar

Self

Yvonne Cable

Self (President of the USA) (archive footage)

John Chancellor

Self (Newscaster) (archive footage)

Harry Chapin

Self (US Senator) (archive footage)

Howie Fields

Self (as Sir Bob Geldof)

Richie Havens

Self (archive footage)

Jac Holzman

Self

Ken Kragen

Self (Harry's agent)

Robert Lamm

Self (Member of band Chicago)

Darryl McDaniels

Self (Founder of Run DMC)

Michael Moore

Self (Filmmaker / Activist) (archive footage)

Graham Nash

Self (archive footage)

Paule T. Pachter

Self (Today Show Host) (archive footage)

Nancy Reagan

Self (Wife of Ronald Reagan) (archive footage)

Ronald Reagan

Self (President Elect) (archive footage)

Kenny Rogers

Self (archive footage)

Pete Seeger

Self (archive footage)

Gene Shalit

Self (archive footage)

Bruce Springsteen

Self (archive footage)

Steven Villano

Self (archive footage) (uncredited)

Cold Crush Brothers

Self (archive footage) (uncredited)

Mario Cuomo

Self (Fmr. Governor of New York) (archive footage) (uncredited)

John Denver

Self (archive footage) (uncredited)

Merv Griffin

Self (archive footage) (uncredited)