Mysterious Monk (Russian: Таинственный монах, romanized: Tainstvenniy monakh) is a 1967 Stereoscopic 3-D adventure film directed by Arkady Koltsaty starring Vladimir Druzhnikov, Evgeny Zharikov, Valentin Zubkov and Tatyana Konyukhova. It was filmed in the Soviet stereoscopic system “Stereo-70”. For many years it held the record among Soviet stereofilms for the most rentals, for both 3D and 2D screenings.