Watership Down is a 1978 British animated adventure-drama film, written, produced and directed by Martin Rosen and based on the 1972 novel by Richard Adams. It features the voices of John Hurt, Richard Briers, Harry Andrews, Simon Cadell, Nigel Hawthorne and Roy Kinnear, among others, and was the last film work of Zero Mostel, as the voice of Kehaar the gull.