Knott was born in Salford. His first acting was done in British television and radio programmes. He was trained in the Oldham Theatre Workshop. Knotts first major film was Warner Brothers The Secret Garden in 1993, in which he played Dickon Sowerby. He went on to play Joe Green in Black Beauty. In the late 1990s, he played Liam Shepherd in Coronation Street.
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Source: Wikipedia