Danny Glover

Narrator (voice)

Don Letts

Self

Gwen Stefani

Self

Billy Idol

Self

Rita Marley

Self

Ziggy Marley

Self

Matt Groening

Self

Leon

Self

John Lydon

Self

Stewart Copeland

Self

Youssou N'Dour

Self

Lennox Lewis

Self

Jason Mraz

Self

Chad Smith

Self

Snoop Dogg

Self

C. Thomas Howell

Self

Chris Blackwell

Self