The Key (1971)
Jan Zika is the legendary hero of the communist resistance movement during World War II and leading functionary of the second underground Central Committee of the Communist Party of Czechoslovakia.
- Release Date: 1971-05-14
- Runtime: 1h 37min
- Production Company: Filmové studio Barrandov
- Production Country: Czechoslovakia
- Director: Vladimír Čech
- Writers: Kamil Pixa, Kristian Topič, Vladimír Čech.
