Simon Cain
From Tardis Wiki, the free Doctor Who reference
Simon Cain (19 May 1938-1 May 2019[1]) appeared in two Doctor Who television stories: as Curly in The Enemy of the World and a Silurian in Doctor Who and the Silurians. He also had an uncredited role as Private Upton in Doctor Who and the Silurians. (DWM 222)