Zienia Merton

Zienia Merton (born 11th December 1945 in Burma) played Ping-Cho in Marco Polo and the Registrar in SJA: The Wedding of Sarah Jane Smith. This makes her the first actor from the initial season of Doctor Who to appear in a current episode of the franchise.

Merton is best known to science fiction fans for her role as Sandra Benes in the mid-1970s series Space: 1999. She reprised the role for the 1999 short film Message from Moonbase Alpha.