Darzil Carlisle was born in Olympus Mons on Mars in 2414.
In the late 25th century, Carlisle was a lord high negotiator and visited the planet Cray with Faye Davis for the purpose of negotiating a peace between the violent Naxy teams the Gora and the Lineen. The Fifth Doctor really wanted to meet him. He said that the Doctor was his best friend. He took all the credit for the Doctor's work according to himself. (AUDIO: The Game)