Miss Delphox was the cold-hearted general manager of the Bank of Karabraxos. The establishment had a reputation for tight security, and she employed the alien Teller to seek out anyone with criminal intent in their minds. Miss Delphox knew that failure of any kind would see her fired - quite literally. It transpired that she was a clone of the bank's owner - Madame Karabraxos. When the Doctor and his friends breached the bank's security, Miss Delphox was killed by her boss.
Played by Keeley Hawes. Appearances: Time Heist (2014).