Lady Cassandra

Lady Cassandra O'Brien.Δ17 is a fictional character from the long-running British science fiction television series Doctor Who. The character was voiced by Zoë Wanamaker, and was largely computer-generated, although a physical prop was also used on set. The Ninth Doctor first encountered Cassandra (Lady Cassandra O'Brien.Δ17) in the episode "The End of the World". They, along with the rich and powerful of the universe, were on Platform One, a space station orbiting Earth five billion years in the future, which was set up to witness the final destruction of the planet by the expansion of the Sun. According to Cassandra, her parents were the last to be buried "in its soil". She had been born a female on Earth and lived on the edge of the...