Director:
Carlo Lizzani

Casting:
Gian Maria Volonté,
Stefania Sandrelli,
Ivo Garrani,

Italy, Bulgaria, 1969

Director:
Ilya Velchev

Casting:
Yuri Angelov,
Milen Penev,
Rayna Vasileva,

Bulgaria, 1977

Director:
Nikolai Mashchenko

Casting:
Irina Malysheva,
Ilia Karaivanov,
Petar Slabakov,

Bulgaria, 1983