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narrator Wolfgang Schwarz
script by, directed by Sándor Ferenczy
voice actor [1. mann nachrichten] Erich Rauschert
voice actor [1. mann technik] Jürgen Sidow
voice actor [2. mann nachrichten] Gerd Richter
voice actor [2. mann technik] Kurt Langanke
voice actor [3. mann technik] Ib Lawaetz
voice actor [4. mann technik] Reinhold Lütjohann
voice actor [admiral] Horst Beck
voice actor [chef des geheimdienstes] Helmut Peine
voice actor [kommander] Benno Gellenbeck
voice actor [konstrukteur] Friedrich Georg Beckhaus
Manufactured By Deutsche Grammophon GmbH
Impreso en Alemania 7/57
Rights Society: BIEM