Martin Crieff is a fictional character from the British radio sitcom Cabin Pressure, created by John Finnemore. He serves as the main protagonist and is the hapless pilot of a small charter airline called MJN Air. Martin is known for his neurotic personality and often finds himself in humorous and challenging situations while trying to manage his crew and passengers. The show features a small cast, including Douglas Richardson, Martin's sarcastic co-pilot, and Caroline Knapp-Shappey, the airline's owner. Cabin Pressure gained a loyal following for its clever writing and character-driven humor, making Martin Crieff a memorable figure in British comedy.