<P> Den has a slate grey and orange paint scheme and white lining . </P> <P> Den was introduced in season 15, (officially in Day of the Diesels) and has appeared in every season since, except season 20 . He also had a supporting role in The Great Race and cameoed in Journey Beyond Sodor . </P> <Ul> <Li> Keith Wickham (UK / US; season 15 onwards) </Li> <Li> Rupert Degas (UK / US; Fiery Flynn only) </Li> <Li> Ryuzou Ishino (Japan; season 15 onwards) </Li> </Ul> <Li> Keith Wickham (UK / US; season 15 onwards) </Li>

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