Jeremy Renner as Self - Presenter

Robert Patrick as Self - Presenter

Tony Bennett as Self

Bono as Self

Garth Brooks as Self

Harry Connick Jr. as Self

Lady Gaga as Self

Quincy Jones as Self

Alicia Keys as Self

John Legend as Self

LL Cool J as Self

Adam Levine as Self

Seth MacFarlane as Self

Katharine McPhee as Self

Usher as Self

Nancy Sinatra as Self

Sam Smith as Self

Céline Dion as Self