Zohra Sehgal
From Tardis Wiki, the free Doctor Who reference
Zohra Sehgal (born 27 April 1912) played Sheyrah in the Doctor Who story The Crusade. As of 2012[update][[Category:Articles containing potentially dated statements from Expression error: Unexpected < operator.]], she is the oldest living Doctor Who actor. She was the first person associated with Doctor Who to reach the age of 100.