Marco is a 1973 American-Japanese historical musical adventure film directed by Seymour Robbie and starring Desi Arnaz Jr., Jack Weston and Zero Mostel, which depicts the 13th century journey of Italian merchant and explorer Marco Polo along the Silk Road and his meeting with Kublai Khan. It has been described as unreleased in the United States., released as a television movie, or as a theatrical release. On December 9, 1972, Arnaz appeared on The Tonight Show with Johnny Carson to promote the film. His romantic partner Liza Minnelli had traveled to Tokyo with him during the filming.