Czechoslovakia's official submission to 42nd Academy Award's Foreign Language in 1970.
With a 90.2% score on the Czech and Slovak Movie Database as well as praise from movie critics, The Cremator is often considered to be one of the best movies ever made in Czechoslovakia. It has also gathered a prominent cult following.
The monologue that Kopfrkingl (Rudolf Hrusínský) delivers toward the end of the film, he is standing of the Right panel of Hieronymus Bosch's "Garden of Earthly Delights". There is also a montage of other Bosch paintings including; "Carrying of the Cross", "Ascent of the Blessed" & others.
Part of the movie was filmed in crematorium with real deceased people arranged for their cremation
In the boxing sequence, you can notice that the camera is filming on the ring. Martin Scorsese did the same, but only 11 years later with "Raging bull" (1980).