David Wolliscroft

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, a Ice Warrior in The Monster of Peladon, a Thal Guard in Genesis of the Daleks, a Radation Man  in The Hand of Fear, and a Deon Guard in Meglos.