(written from a Production point of view)
Brioni Farrell (12 February 1940 – 8 August 2018; age 78), birth name Xenia Gratsos, was a Greek-born American actress. Farrell made one appearance on Star Trek, as Tula in the Star Trek: The Original Series first season episode "The Return of the Archons". She filmed her scenes on Wednesday 7 December 1966 at the 40 Acres backlot and on Monday 12 December 1966 at Desilu Stage 10.
Farrell early in her career appeared in episodes of Paradise Bay (1965), The Man from U.N.C.L.E. and Run for Your Life (both 1966). In the 1960s, she then portrayed a recurring character in three episodes of Bonanza (1966-68, one with Byron Morrow) and three characters in episodes of Death Valley Days (1967-68). She also guest starred in episodes of The Wild Wild West (1967, with John Warburton), Mission: Impossible, The Rat Patrol (with Nick Dimitri), Daniel Boone, Family Affair (starring Brian Keith, all 1968) and Lancer (1969).
In 1995, Farrell starred in the movie Project: Metalbeast with Star Trek III: The Search for Spock and Star Trek IV: The Voyage Home stuntman Chuck Picerni, Jr. as well as Diaunté, Carole Davis, Brian Brophy, John Marzilli, and Musetta Vander.