Clinton Greyn (29 September 1933-19 March 2019[1]) appeared in two Doctor Who television stories: as Ivo in State of Decay and Stike in The Two Doctors. He also played Grand Marshal Nathan in the mini-episode A Fix with Sontarans (and by extension the 2022 recut).
He shared his memories of his Doctor Who career on the 234rd edition of Big Finish's charity podcast series Toby Hadoke's Who's Round.