Dr. Luka Kovač is a fictional character from the television series ER. He is portrayed as a skilled and compassionate trauma surgeon who works at the fictional County General Hospital in Chicago. Known for his dedication to patient care, Dr. Kovač often faces the challenges of working in a high-pressure environment. Throughout the series, Dr. Kovač develops complex relationships with his colleagues, including Dr. Abby Lockhart and Dr. John Carter. His character is notable for his strong moral compass and commitment to his profession, making him a beloved figure among fans of the show.