Barrington appeared between 1905 and 1907 in several musical comedies, including "The White Chrysanthemum" (1905), as Admiral Sir Horatio Armitage, K.C.B. (with Isabel Jay, Louie Pounds and Henry Lytton). He also played Barnabas Goodeve in a revival of the farce "The Candidate" by Justin Huntly McCarthy at Wyndham's Theatre with Charles Wyndham. He then briefly played his old role in a revival of "The Geisha" in 1906, after which he created the role of the Pharaoh of Egypt in the successful comic opera "Amasis" (1906), by Philip Michael Faraday and Frederick Fenn, both in London (where it ran for over 200 performances) and on extended tours.