• 
  Morgan Freeman

  narator
• 
  B.B. King

  Himself
• 
  Bill Cosby

  Himself
• 
  Leon Russell
• 
  Rufus Thomas
• 
  Buddy Guy
• 
  Martin Luther King
• 
  Dr. John

• 
  Bono
• 
  Bruce Willis

  el însuși
• 
  John Mayer
• 
  Robert Cray
• 
  Carlos Santana
• 
  Ronnie Wood
• 
  Mick Taylor

• 
  Kenny Wayne Shepherd
• 
  Joe Bonamassa
• 
  Paul Rodgers
• 
  Derek Trucks
• 
  T-Bone Walker
• 
  Joe Walsh
• 
  Eric Clapton
• 
  John Mayall
• 
  Bonnie Raitt
• 
  Solomon Burke
• 
  Ringo Starr
• 
  Bill Wyman
• 
  Keith Richards
• 
  Mick Jagger
• 
  Susan Tedeschi
• 
  Stewart Levine
• 
  Aaron Neville
• 
  Pope John Paul II
• 
  Barack Obama
• 
  George Benson
• 
  Mick Hucknall
• 
  John Lennon
• 
  Slash
• 
  Muhammad Ali
• 
  Michelle Obama
• 
  Sidney Poitier

  el însuși (arhivă)

• 
  Andrij Evans

  montaj