[1] Klimovsky was born in Buenos Aires, to Jewish emigrant parents from the Russian Empire.
After participating as scriptwriter and assistant director of 1944's Se abre el abismo, he filmed his first movie, an adaptation of Fyodor Dostoyevsky's The Player.
He also worked on adaptations of Alexandre Dumas' The Count of Monte Cristo and Ernesto Sabato's The Tunnel.
Klimovsky directed famed Spanish horror icon Paul Naschy in no less than 9 films in the 1970s, while also directing other classic horror films such as "The Strange Love of the Vampires", "The Dracula Saga" and "The Vampires' Night Orgy".
León Klimovsky always dreamt of doing great mainstream movies but ended up doing commercial exploitation films, but he had no remorse, as cinema was a vocational mandate for him.