Conny und Peter machen Musik

Cornelia Froboess

as Conny

Peter Kraus

as Peter

Gustav Knuth

as Trautmann, Hoteldirektor

Walter Gross

as Mägerli, Hoteldetektiv

Kurt Großkurth

as Sulzbach

Karl Lieffen

as Grossi, Osteria-Wirt

Ralf Wolter

as Lehmann, Sulzbachs Assistent

Trude Herr

as Miss Nordsee