John Ogwen
Best known to British audiences for his starring role in the 1978 drama series "Hawkmoor" , and appearances in the television series "The District Nurse" and the "Doctor Who" serial "Revelation of the Daleks" , Ogwen has been a stalwart of Welsh language television and film since the early 1970s . 
<triplet> Revelation of the Daleks <subj> Doctor Who <obj> part of the series