All Cast
Helene Fischer
Self
Howard Carpendale
Self
Nick Carter
Self
Bülent Ceylan
Self
Engelbert Humperdinck
Self
Mark Forster
Self
Andreas Gabalier
Self
Thomas Gottschalk
Self
Josh Groban
Self
Martina Hill
Self
Heinz Hoenig
Self
Michelle Hunziker
Self
Roland Kaiser
Self
Mark Keller
Self
Senta-Sofia Delliponti
Self
Freya Ridings
Self
