David Bailie born 1937 in South Africa, emigrated to Rhodesia (now Zimbabwe), is a British actor, known for his performances on stage, television and film. He played Dask in the 1977 "Doctor Who" serial "The Robots of Death" and also appeared in "Blake's 7". However, his most famous role is his portrayal of the mute pirate Cotton in the "Pirates of the Caribbean trilogy". Bailie is also a professional photographer Wikipedia
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Sergeant Davidson "Softly Softly" .... Scooby (1episode, 1975) ... aka Softly, Softly: Task Force (UK: new title) - Whose Side Are You On? www.imdb.com/name/nm0047549/