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engineer Peter Wagner
music by Arno Bergmann
narrator Peter Schiff
producer, directed by [regie] Kurt Vethake
voice actor [christian, prof. dr. degenhardts sohn] Michael Nowka
voice actor [claudia, prof. dr. degenhardts tochter] Claudia Marnitz
voice actor [frau barowski] Gerda Meissner
voice actor [frl. zumbusch, sekretärin] Micaela Pfeiffer
voice actor [heidi, frau barowskis tochter] Ina Patzlaff
voice actor [ingo krüger] Peter Larsen
voice actor [onkel eduard, faktotum] Hans Mahlau
voice actor [peter, christians schulfreund] Santiago Ziesmer
voice actor [prof. dr. degenhardt, zoodirektor] Eberhard Krug
voice actor [raubtierwärter baumann] Hans Schwarz Jr.
voice actor [tierpfleger barowski] Rolf Marnitz
Distributed By Ariola Eurodisc GmbH
Printed By Mohndruck Reinhard Mohn OHG
Made By Sonopress