In Berlin in 1961, an American soldier and a German engineer join forces to build a tunnel under the Berlin Wall in order to smuggle out refugees, including the soldier's East German girlfriend.
Sandy Mueller
Emerich Weber
Martin Komansky
Ilse Morrell
Joachim Lentz
Georg Heptner
Bruno Balderbach
Dr. Lentz
Phil
Butcher Customer
Wolf Lentz
Klaus Schoenemann
German Border Guard
Intelligence Officer
Herr Klemnitz
Woman in Crowd
Konrad Moss
Marta Kurzman
Herr Weber
Workman
Frau Heptner
Lt. Geller
Karl
Frau Lentz
Vopo
Greta Dohr
Herr Dohr
Herr Heptner
Vogel Chief Officer
Greta's Friend
Self - US President (archive footage)
