A "documentary" about the major influence that a '60s rock singer named Bruno has had on rock music, as attested to by such rock legends as Ringo Starr, Brian Wilson and the Bee Gees, among others.

Bruce Willis
as Bruno Radolini

Jon Bon Jovi
as Jon Bon Jovi

Ringo Starr
as Ringo Starr

Elton John
as Elton John

Phil Collins
as Phil Collins

Michael J. Fox
as Michael J. Fox

Bill Graham
as Bill Graham

Dick Clark
as Dick Clark

Joan Baez
as Joan Baez

Wolfman Jack
as Wolfman Jack