(in credits order)
Rest of cast listed alphabetically
- Rubén Blades(as Ruben Blades)
- The Byrds(archive footage)
- Glen Campbell(archive footage)
- Johnny Carson(archive footage)
- Johnny Cash(archive footage)
- Dick Cavett(archive footage)
- Sheryl Crow(archive footage)
- Denny Doherty(archive footage) (voice)
- Daryl Dragon(archive footage)
- Cass Elliot(archive footage) (voice)
- Glenn Frey(archive footage)
- Lena Horne(archive footage)
- The Mamas and the Papas(archive footage) (voice)
- Stevie Nicks(archive footage)
- Nelson Riddle(archive footage)
- Harry Dean Stanton(archive footage)
- Ringo Starr(archive footage)
- Carrie Underwood(archive footage)
- Hank Williams(archive footage)
- Paul Williams(archive footage)
- Neil Young(archive footage)
- Jerry Brown(archive footage) (uncredited)
- David Crosby(archive footage) (uncredited)
- Hugh Hefner(archive footage) (uncredited)
- Chris Hillman(archive footage) (uncredited)
- Elton John(archive footage) (uncredited)
- Kris Kristofferson(archive footage) (uncredited)
- Paul McCartney(archive footage) (uncredited)
- Roger McGuinn(archive footage) (uncredited)
- Joni Mitchell(archive footage) (uncredited)
- Teddy Pendergrass(archive footage) (uncredited)
- Keith Richards(archive footage) (uncredited)
- Paul Rodriguez(archive footage) (uncredited)
- Paul Shaffer(archive footage) (uncredited)
- Frank Sinatra(archive footage) (uncredited)
- Toni Tennille(archive footage) (uncredited)
- Tanya Tucker(archive footage) (uncredited)
- Frank Zappa(archive footage) (uncredited)
