Summary: Caterina finds out that her husband Peter Tzar of Russia, is plotting to kill her. She sets Count Orlov free from prison, Peter's sworn enemy, becomes empress of Russia and leads the Cossacks army against him. (imdb)

AKA: Caterina di Russia

Genre: Drama

Country: Italy

Directed By: Umberto Lenzi

Written By: Umberto Lenzi, Guido Malatesta

Starring: Sergio Fantoni, Giacomo Rossi-Stuart, Enzo Fiermonte, Hildegard Knef, Leonardo Botta, Ángela Cavo, Raul Grassilli

More information at the Internet Movie Database