Officer Donald Leslie "Don" Orville is a fictional character in the NBC sitcom 3rd Rock from the Sun. He is portrayed by Wayne Knight and works as a Police Sergeant in the fictional town of Rutherford, Ohio, though he is consistently referred to as "Officer" throughout the series, much like real-world Police Sergeants and others are referred to as Officer by lay-persons, despite their actual rank. The character is first introduced to the series late in the first season, in the episode Assault with a Deadly Dick, in which the Solomon family go to the police for help after they fall victim to crime.