Madoc died on 5 March 2012 at the Michael Sobell Hospice in Northwood, north west London, following a "short illness".
The television series Hawkmoor created by Lynn Hughes and starring John Ogwen as Twm and Jane Asher as Lady Johane Williams was broadcast by the BBC in 1978, depicting Twm as a Welsh Robin Hood/freedom fighter protecting the Welsh people from the repression of English-born Sheriff John Stedman (Jack May) and the cruel (Catholic) Vicar Davyd (Philip Madoc).
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