Helene Fischer as Self

Howard Carpendale as Self

Nick Carter as Self

Bülent Ceylan as Self

Engelbert Humperdinck as Self

Mark Forster as Self

Andreas Gabalier as Self

Thomas Gottschalk as Self

Josh Groban as Self

Martina Hill as Self

Heinz Hoenig as Self

Michelle Hunziker as Self

Roland Kaiser as Self

Mark Keller as Self

Senta-Sofia Delliponti as Self

Freya Ridings as Self

Ralf Schmitz as Self