Robert "Robbie" Lewis is a fictional character in the Inspector Morse crime novels by Colin Dexter. The "sidekick" to Morse, Lewis is a Detective Sergeant in the Thames Valley Police, and appears in all 13 Morse novels. In the television adaptation, Inspector Morse, he is played by Kevin Whately. Following the conclusion of the series, Whately reprised the role as the lead character in Lewis, in which the character has been promoted to Inspector.