Narrator

Peter Simonischek

Self

Kelly Clarkson

Self

David Foster

Herself

Joss Stone

Self

Anggun

Self

Josh Groban

Douglas Haig

John Rhys-Davies

Self

Lina Makhoul

Self

Gavin Rossdale

Self

Clifton Murray

Self

Fraser Walters

Andrea Bocelli

Self

Victor Micallef

Self

Anna Netrebko

Self

Rolando Villazón

Self

DJ Ötzi

Herself

Siedah Garrett

Burt McMurtrie

Robert Cait

Self

Alfred Jaklitsch

Self

Paul Falk

Self

Max Falk

Self

Dieter Falk

Self

John Debney

Self

Wiener Sängerknaben

British Army Adjutant

Tony Eccles

Self

Sassy Holzinger