Dinsdale Landen
From Tardis Wiki, the free Doctor Who reference
Dinsdale Landen (4 September 1932-29 December 2003[1]) played Dr. Judson in the Doctor Who television story The Curse of Fenric.
He was originally cast as Ganatus in The Daleks, but had to drop out due to scheduling conflicts. (TCH 46) He was also considered to play Lord Henry Palmerdale in Horror of Fang Rock (TCH 27) and Lord Ravensworth in The Mark of the Rani (TCH 41).