In 1920 she made her stage debut in the role of a diseased soubrette in The Dead Eyes by Eugen d'Albert.
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She played the role of Madame Sans-Gêne by Victorien Sardou and Mirandolina by Bohuslav Martinu Other guest appearances have taken her to Czechoslovakia, Hungary and Sweden.
Christl Mardayn as Kay Murphy, cabaret singer (as Christiane Mardayne)