The Key (Czech: Klíč) is a 1971 Czechoslovak drama film directed by Vladimír Čech. It was entered into the 7th Moscow International Film Festival where it won a Silver Prize.
Cast
František Vicena as Jan Zika
Wilhelm Koch-Hooge as Friedrich
Zdenek Kampf as Nergl
Vlasta Vlasáková as Milada
Eva Jirousková as Blazena Preislerová
Oldřich Velen as Josef Preisler
Jürgen Frohriep as Nemecký chirurg
Miloslav Holub as Jankovský
Alena Hessová as Ziková
Josef Chvalina as Doktor
