Oleh Sentsov is a Ukrainian filmmaker, writer, and activist. Sentsov has directed the feature films Gamer (2011), Numbers (2019, co-directed with Akhtem Seitablayev), and Rhino (2021). Following the Russian annexation of Crimea, he was arrested in Crimea in May 2014 and sentenced to 20 years' imprisonment by a Russian court in August 2015 on charges of plotting terrorism. The conviction was described as fabricated by Amnesty International and others. He was awarded the European Parliament’s Sakharov Prize in 2018. On 7 September 2019, he was released in a prisoner swap between Russia and Ukraine. After Russia's open military invasion of Ukraine in February 2022, Oleh Sentsov joined the Territorial Defense Forces in Kyiv.