Christopher Benjamin
From Tardis Wiki, the free Doctor Who reference
Christopher Benjamin (born 27th December 1934) played Sir Keith Gold in Inferno, Henry Gordon Jago in The Talons of Weng-Chiang, and Colonel Hugh in The Unicorn and the Wasp. He also voiced Tardelli in Grand Theft Cosmos.
Benjamin is a very familiar face to fans of 1960s British TV series, having appeared in many guest starring roles in shows such as Danger Man and The Prisoner.
In 2009, Benjamin returned to the role of Henry Gordon Jago for an installment of Big Finish Productions' The Companion Chronicles.