(written from a Production point of view)
Jeanne Bal (3 May 1928 – 30 April 1996; age 67) is one of the two actresses who played Nancy Crater in the Star Trek: The Original Series first season episode "The Man Trap". She filmed her scenes on Friday 24 June 1966, and between Tuesday 28 June 1966 and Thursday 30 June 1966 at Desilu Stage 9 and Stage 10.
Born in Santa Monica, Bal starred in the short-lived sitcom Love and Marriage from 1959 through 1960. In 1961, she became a regular on the sitcom Bachelor Father, but left shortly afterwards. Her other television credits include several appearances on Perry Mason, and guest spots on Bonanza, Wagon Train, and I Spy.
She died of breast cancer in Sherman Oaks, California.