Clifford Cox
From Tardis Wiki, the free Doctor Who reference
Clifford Cox portrayed an unnamed sergeant in the Doctor Who story Spearhead from Space.
Debuting in the 1958 television series Quatermass and the Pit, Cox worked steadily from 1958-1977. He appeared in television shows such as Dixon of Dock Green, Smuggler's Bay (which starred Frazer Hines), The Wednesday Play, The Avengers, Callan, Randall and Hopkirk (Deceased), Softly, Softly: Taskforce, Out of the Unknown, Doomwatch, The Onedin Line, Z-Cars and Coronation Street.