Director/a
Hannes Michael Schalle
DIRECTOR/A
Reparto (por orden de créditos)
John Rhys-Davies
Douglas Haig
Kelly Clarkson
Self
Josh Groban
Joss Stone
Gavin Rossdale
David Foster
John Debney
Peter Simonischek
ACTOR
Andrea Bocelli
Robert Cait
Burt McMurtrie
Hannah Friedman
Siedah Garrett
Rolando Villazón
Anggun
Richard Townsley
British Officer
Bryan Watkins
Larry Crosby
Kevin Michael Moran
Father Ranaghan
DJ Ötzi
Wiener Sängerknaben
Themself
The Tenors
Griffith Frank
Bing Crosby
Victoria Dayneko
Lukas Schweighofer
Franz Xaver Gruber
Florian Meindl
Josef Mohr
Tony Eccles
British Army Adjutant
Seer