David Wolliscroft
From Tardis Wiki, the free Doctor Who reference
David Wolliscroft (6 March 1942-16 September 2005) played a Xeron in the Doctor Who story The Space Museum. He later appeared as an extra in many serials under the name "David Cleeve". He, as David Cleeve, appeared uncredited as a UNIT Soldier in The Time Warrior (DWM 246) a Ice Warrior in The Monster of Peladon (DWM 216), a Thal Guard in Genesis of the Daleks (DWM 250), a Radation Man in The Hand of Fear (DWMS Holiday 1992), and a Deon Guard in Meglos (DWM 285).
