In Good Bye Lenin ! , Daniel Brühl interprets Alex Kerner .
In a prologue , Alex Kerner ( Nico Ledermüller ) recalls as a child in 1978 how proud he was along with his countrymen when the first German to enter space , Sigmund Jähn , came from East Germany ( the GDR ) .The remainder of the film is set in East Berli
Good Bye, Lenin!