Production Ivan Provotorov Other Credits A Circle Executive Producer 1972 Two Tickets for a Daytime Picture Show Producer 1967 Returned Music Executive Producer 1965 A Sinful Angel Executive Producer 1963 Amphibian Man Executive Producer 1962 The Komarov Brothers Executive Producer 1961 Hot Soul Executive Producer 1960 October Days Executive Producer 1958 Heroes of Shipka Executive Producer 1955 Rimsky-Korsakov Executive Producer 1953 Mussorgsky Executive Producer 1950 The Elusive Jan Executive Producer 1943 The Fourth Periscope Executive Producer 1939 Professor Mamlock Executive Producer 1938 Fedka Executive Producer 1937 On Vacation Executive Producer 1937 Agent-readable