Zohra Sehgal(1912-2014)

She was the first actor to have appeared in Doctor Who (1963) to have lived to the age of 100, and at the time was the oldest living cast member of the show. Following her death on July 10, 2014, Olaf Pooley became the oldest living cast member and remained so until his death on July 14, 2015. Sehgal remained the longest-lived cast member until 2019, when she was surpassed by Earl Cameron.