Invisible Opponent

Gerda Maurus

Sybil Herford

Paul Hartmann

Peter Ugron, Ingenieur

Oskar Homolka

James Godfrey

Peter Lorre

Henry Pless

Paul Kemp

Hans Mertens

Raoul Aslan

Generaldirektor Delmonte

Leonard Steckel

Santos

Kay Kyser

Sir Thomas

Eva Schmid-Kayser

Eva Ugron

Jaro Fürth

Maria Holst

John Mylong

Josef Rehberger

Otto Schmöle

Mihail Xantho