Ric Felgate
From Tardis Wiki, the free Doctor Who reference
Ric Felgate (4 June 1933-31 July 1999[1]) appeared in several Doctor Who television stories: as Roy Stone in The War Machines, Brent in The Seeds of Death and Charles Van Lyden and an alien ambassador in The Ambassadors of Death.
He was directed in all of these by Michael Ferguson, who was his brother-in-law. (INFO: The Ambassadors of Death)