In the very old-fashioned town of Ostend suddenly 13 suitcases are delivered to the Grand Hotel, with a note, that O.F. will be here soon and needs 6 rooms. This event, probably the biggest in 300 years, starts a small wave of modernisation, yet everybody is wondering who O.F. is.

Alfred Abel
as Bürgermeister

Peter Lorre
as Redakteur Stix

Harald Paulsen
as Bauunternehmer Stark

Ludwig Stössel
as Hotelier Brunn

Hedy Lamarr
as Helene, seine Tochter

Margo Lion
as Viola Volant

Ilse Korseck
as Mayor's Wife

Liska March
as Eve Lune

Gaby Karpeles
as Gehilfin von Eve Lune

Hadrian Maria Netto
as Friseur Jean