Inspector Morse is a British detective drama television series based on a series of novels by Colin Dexter. It starred John Thaw as Chief Inspector Morse and Kevin Whately as Sergeant Lewis. The series comprises 33 two-hour episodes (100 minutes excluding commercials) — 20 more episodes than there are novels — produced between 1987 and 2000. Dexter made uncredited cameo appearances in all but three of the episodes.