Derren Nesbitt
From Tardis Wiki, the free Doctor Who reference
Derren Nesbitt (born 19 June 1935) played Tegana in the Doctor Who story Marco Polo. He also voiced Thomas Dodd in the Big Finish Doctor Who audio story Spare Parts and Quences in the Doctor Who Unbound audio Auld Mortality.
He also appeared as Number 2 (a recurring role of sorts) in It's Your Funeral, an episode of another cult telefantasy series, The Prisoner.