Henry B. Travers

Peter van Eyck

Acting

Detective Inspector Kras

Gert Fröbe

Acting

Prof. Jordan / Peter Cornelius / Dr. Mabuse

Wolfgang Preiss

Acting

Marion Menil

Dawn Addams

Acting

Hieronymus B. Mistelzweig

Werner Peters

Acting

Hotel Detective Berg

Andrea Checchi

Acting

No. 12

Howard Vernon

Acting

Michael Parker

David Cameron

Acting

Maid

Christiane Maybach

Acting

Hotelingenieur

Albert Bessler

Acting

The Blonde Luck

Marielouise Nagel

Acting

Roberto Menil aka 'Klumpfuß'

Reinhard Kolldehoff

Acting

Hotel-Manager

Nico Pepe

Acting

Cornelius' Butler

Jean-Jacques Delbo

Acting

Corinna

Linda Sini

Acting

TV announcer

Renate Küster

Acting

Interpol-Chef

Rolf Weih

Acting

Police-Officer

Rolf Moebius

Acting

Chambermaid

Maria Milde

Acting

Photojournalist (uncredited)

Dieter Hallervorden

Acting

Reporter (uncredited)

Bruno W. Pantel

Acting

Barkeeper Karl (uncredited)

Wolfgang Völz

Acting

No. 11 (uncredited)

Werner Buttler

Acting

BKA-Chef (uncredited)

Hans W. Hamacher

Acting

Police doctor (uncredited)

Egon Vogel

Acting