Sergei Kotov is a fictional character from the 2021 film "The Edge of the World." He is portrayed as a skilled and determined Russian pilot during World War II. The character's journey highlights the challenges faced by aviators in combat and the personal sacrifices they make for their country. In the film, Kotov's experiences reflect the broader themes of bravery and resilience in the face of adversity. His story is set against the backdrop of significant historical events, showcasing the impact of war on individuals and their relationships.