On a train's way to the Italian Alps, the jewelry of a wealthy young widow is stolen and a military veteran working as a waiter is the first to come under suspicion.
Lisa von Hellwitz
Hans Lenzfeld
Prinz Tarnoff
Prof. Eberhard Degenfeld
Singer
Schnäbeli, Privatdetektiv
Diener des Prinzen
Max, Pikkolo im Speisewagen
