Sunil is a prominent actor in Telugu cinema. He initially acted in comic roles before transitioning to lead roles. Currently, he is successful as a character artist. Sunil gained recognition as a comedian with the film 'Nuvve Kavali'. This film's success opened up numerous opportunities for him. He has acted in approximately 200 films. His performances in 'Nuvvu Nenu', 'Nuvvu Naaku Nachav', 'Nuvve Nuvve', 'Sontham', 'Manasantha Nuvve', 'Dhee', 'Ready', 'Athadu', and 'Andhrudu' brought him significant recognition. 'Andala Ramudu' was his first movie as a hero. 'Maryada Ramanna' (2010), directed by Rajamouli, was well received. Despite acting as a hero in several movies for about ten years, he did not achieve significant commercial success, leading him to switch back to character roles, often in negative roles. He impressed audiences with negative shades in hit movies like 'Color Photo', 'Pushpa', 'Mark Antony', and 'Japan'.