Casts
Peter van Eyck
as Henry B. Travers
Gert Fröbe
as Detective Inspector Kras
Wolfgang Preiss
as Prof. Jordan / Peter Cornelius / Dr. Mabuse
Dawn Addams
as Marion Menil
Werner Peters
as Hieronymus B. Mistelzweig
Andrea Checchi
as Hotel Detective Berg
Howard Vernon
as No. 12
Christiane Maybach
as Maid
Albert Bessler
as Hotelingenieur
Reinhard Kolldehoff
as Roberto Menil aka 'Klumpfuß'
