Horst Stern
饰：Himself - Host
Tara Lynn Orr
饰：Herself
Horst Aspöck
饰：Himself
Sigmar Bortenschlager
饰：Himself
Markus Egg
饰：Himself
Othmar Gaber
饰：Himself
Roswitha Goedecker-Ciolek
饰：Herself
Rainer Gothe
饰：Himself
Rainer Henn
饰：Himself
Klaus Hirsch
饰：Himself
Kurt Irgolic
饰：Himself
Wolfgang Karen
饰：Narrator
Rainer Kotz
饰：Himself
Walter Leitner
饰：Himself
Klaus Oeggl
饰：Himself
Harum Paulsen
饰：Himself
Werner Platzer
饰：Himself
Michael Schick
饰：Himself
Horst Seidler
饰：Himself
Erika Simon
饰：Herself
Helmut Simon
饰：Himself
Konrad Spindler
饰：Himself
Daroud Teherani
饰：Himself
Walter Thumfart
饰：Himself
Friedrich Tiefenbrunner
饰：Himself
Dieter Zur Nedden
饰：Himself
Hartmut Berlin
饰：Himself
Brita
饰：Herself
Margot Honecker
饰：Herself
Christian Jahn
饰：Himself
Katrin Klocke
饰：Herself - Host
Helmut Pöschel
饰：Himself
Martina Rellin
饰：Herself
Katrin Rohnstock
饰：Herself
Kurt Starke
饰：Himself
Henry Mohr
饰：Himself
Are Akyil
饰：Himself - Vater von Beeke
Detlef Bauer
饰：Himself - Vater von Lukas
Lukas Bauer
饰：Himself - Schüler
Veronika Bauer
饰：Herself - Mutter von Lukas
Gabriele Daumel
饰：Herself - Mutter
Boris Exner
饰：Himself - Lehrer
Michaela Fellenberg
饰：Herself - Lehrerin
Anja Fillbrunn
饰：Herself - Schwester von Mirko
Iris Fillbrunn
饰：Herself - fünffache Mutter
Mirko Fillbrunn
饰：Himself - Student
Monette Gooch-Smith
饰：Herself - Erzieherin New City School
Julia Götz
饰：Herself - Hochbegabte
Ute Hasenauer
饰：Herself - Leiterin Pre-College Cologne
Thomas Hoerr
饰：Himself - Schulleiter New City School
Joseph Inge
饰：Himself - Eineiige Zwillinge
Thomas Inge
饰：Himself - Eineiige Zwillinge
Tracy Inge
饰：Herself - Mutter von Joseph und Thomas
Linda Jarvin
饰：Herself - Intelligenzforscherin
Marion Kalb
饰：Herself - Mutter von Max
Max Kalb
饰：Himself - Schüler
Hans-Bernd Knoop
饰：Himself - Studiendekan Universität Duisburg
Bernhard Komischke
饰：Himself - Neurobiologe FU Berlin
Lea Krämer
饰：Herself - Hochbegabte
Filka Kusmierz
饰：Herself - Psychologin
Mario Lehmann
饰：Himself - Schulträger
Anja Messerschmidt
饰：Herself - Schulleiterin
Tomke Müller
饰：Herself - Mutter von Beeke
Beeke Müller-Akyil
饰：Herself
Cordula Neuhaus
饰：Herself - Psychologin
Dominik Ochs
饰：Himself - Schüler
Regina Ochs
饰：Herself - Mutter von Dominik
Uwe Ochs
饰：Himself - Vater von Dominik
Anke Pan
饰：Herself - Pianistin
Jonas Pfizenmayer
饰：Himself - Hochbegabter
Robert Plomin
饰：Himself - Zwillingsforscher
Birgit Rauch
饰：Herself - Mutter
Anke Ridderbusch
饰：Herself - Lehrerin
Petra Schwab
饰：Herself - Mutter von Rasmus
Eva Schwägel
饰：Herself - Hochbegabte
Kerstin Simon
饰：Herself - Mutter
Frank M. Spinath
饰：Himself - Zwillingsforscher
Heidi Thielke
饰：Herself - `Helen-Doron-Learning-Center`
Johannes Uhl
饰：Himself - Hochbegabter
Annette von Manteuffel
饰：Herself - Schulleiterin
Karl Zilles
饰：Himself - Neurowissenschaftler
Rebecca Zirnbauer
饰：Herself - Cellistin
Felix Reichstein
饰：Himself - Journalist
埃尔曼·舍奇
Herrmann Zschoche
饰：Self
Till Kraemer
饰：Henry Mohr
尼诺·德·安吉洛
Nino De Angelo
饰：Self
菲利浦·布化尼克迈耶
Philippe Brenninkmeyer
饰：Self
赫尔穆特·贝格
Helmut Berger
饰：Narrator
Peter Buchholz
饰：Narrator
Günther Rössler
Günther Rössler
饰：Self
Mark Clifton
Mark Clifton
饰：Offizier
Randolf Menzel
Randolf Menzel
饰：Self - Neurobiologe
Katrin Himmler
Katrin Himmler
饰：Self
Peter Vajkoczy