Secret of the Blue Room
VoltarElenco
Lionel AtwillRobert von Helldorf
Gloria StuartIrene von Helldorf
Paul LukasCaptain Walter Brink
Edward ArnoldCommissioner Forster
Onslow StevensFrank Faber
William JanneyThomas Brandt
Elizabeth PattersonMary, Cook
Robert BarratPaul, Butler
Muriel KirklandBetty, Maid
Russell HoptonMax, Chauffeur- Anders Van HadenThe Stranger
James DurkinKruger, Commissioner's Assistant- Dick Rush
