Distribution et crédits de « Duett »
Editing
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Ulrike Schwarzenberger
editor
Directing
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Xaver Schwarzenberger
director
Distribution
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Otto Schenk
Kommissar Joseph Mallinger
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Agnes Baltsa
Vera Litassy-Eltz
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Karlheinz Hackl
Dr. Stefan Eltz
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Elfriede Ott
Ruth Mallinger
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Branko Samarovski
Antal Kádár
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Josef Hader
Mallingers Neffe
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Philipp Moog
Dr. Reininghaus
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Bibiane Zeller
Beate Hillinger
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Rudolf Melichar
Schallgruber