The Marvellous Defender (2018) is a Documentary film that follows in the documentary about Olivér Halassy, the outstanding sports career of the legendary swimmer and water polo player is shown, and with the assistance of Olympic and Paralympic champions we also gain insight into the world of domestic water sports in the 20th and 21st century. The Marvellous Defender is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of documentary movies may also want to explore similar titles below.