Betts has also appeared in several other British television programmes such as Downton Abbey, Doctors, EastEnders, Holby City, Coronation Street, The Bill and the much acclaimed ITV series, Sharpe. He also played a singing bartender in an episode of the sitcom As Time Goes By and Steve Taylor's laconic neighbor in an episode of the sitcom Coupling. Betts has also numerous theatre credits including playing an assortment of roles for the Royal Shakespeare Company, including playing a variety of successful characters in the RSC's Gunpowder season. Other theatre credits include The 39 Steps, a British play adapted from the 1915 novel by John Buchan and the 1935 film by Alfred Hitchcock, and Arthur in War Horse, the National Theatre's award winning show in the West End.