Wikimedia Commons/Closure documentary film Movie Award-winning documentary 'Closure' follows a father's desperate search for his missing son. Winner of the Golden Alexander at Thessaloniki. April 10, 2026 AceShowbiz - The documentary Closure, directed by Michal Marczak, has been awarded the prestigious Golden Alexander at the Thessaloniki International Documentary Festival in Greece. This award represents the highest honor in the festival's International Competition category. Closure offers a compelling and emotional portrayal of a father's relentless search for his missing teenage son.