Rex is digging up facts...
Based on the operetta of the same name.
Iván Petrovich
Alexander, Pilot
Vivian Gibson
Nadja Nadjakowska
Evi Eva
Dolly Marbanks
Bruno Kastner
Großfürst Alexander Alexandrowitsch
Georg Alexander
Jolly Jefferson
Hans Junkermann
John Walsh
Max Ralph-Ostermann
Watson - Police Commissioner
Luise Fleck
Jakob Fleck
Bruno Granichstaedten
Ernst Marischka
Alfred Schirokauer
