Андерсон Купер
В роли: Self - Correspondent (segment "Foo Fighters")

Дэйв Грол
В роли: Self - Lead Singer, Foo Fighters (segment "Foo Fighters") (хроника)

Тромбоун Шорти
В роли: Self - Jazz Musician (segment "Foo Fighters") (хроника)

Chris Shiflett
В роли: Self - Guitarist, Foo Fighters (segment "Foo Fighters") (хроника)

Pat Ruthensmear
В роли: Self - Guitarist, Foo Fighters (segment "Foo Fighters") (хроника)

Nate Mendel
В роли: Self - Bassist, Foo Fighters (segment "Foo Fighters") (хроника)

Тэйлор Хоукинс
В роли: Self - Drummer, Foo Fighters (segment "Foo Fighters") (хроника)

Buddy Guy
В роли: Self - Guitarist (segment "Foo Fighters") (хроника)

Norah O'Donnell
В роли: Self - Correspondent (segment "Blake Shelton")

Блейк Шелтон
В роли: Self - Country Singer (segment "Blake Shelton") (хроника)

Bill Whitaker
В роли: Self - Correspondent (segment "The City of Music")

Anastasiya Petryshak
В роли: Self - Violinist (segment "The City of Music") (хроника)

Paolo Bodini
В роли: Self - Museum Director (segment "The City of Music") (хроника)

И́цхак Пе́рлман
В роли: Self - Violinist (segment "The City of Music") (хроника)

Mathijs Heyligers
В роли: Self - Violin Maker (segment "The City of Music") (хроника)

Bruce Carlson
В роли: Self - Violin Restorer (segment "The City of Music") (хроника)

Chris Kurz
В роли: Self - Violin Maker (segment "The City of Music") (хроника)