Zander Farrell was a human male, born in Ireland on the planet Earth. He served as a Commander and Chief medical officer for Starfleet aboard Federation starbase Deep Space 12 and starship USS Defiant for several years, including the duration of the Dominion War. In 2384 Zander served as chief medical officer on Deep Space 12 (II) until 2385 when Farrell resigned to help the Andorians. He was portrayed by Ari Boyland.