Calificación
Reparto

Steve Berkowitz
Self

David Bromberg
Self

Rosanne Cash
Self

Sid Griffin
Self

Clinton Heylin
Self

Jason Isbell
Self

Bob Johnston
Self

Al Kooper
Self

Greil Marcus
Self

Darius Rucker
Self

Jeff Bridges
Self - Narrator

Penn Jillette
Self - Narrator

Joan Baez
Self (archive footage)

Johnny Cash
Self (archive footage)

Rick Danko
Self (archive footage)

Don DeVito
Self (archive footage)