(written from a Production point of view)
Julie Cobb (born 29 May 1947; age 74) played Leslie Thompson (credited as "Yeoman") in the Star Trek: The Original Series second season episode "By Any Other Name". She filmed her scenes on Friday 10 November 1967 and Monday 13 November 1967 at Desilu Stage 10.
She is the daughter of noted actor Lee J. Cobb, the mother of Star Trek: Voyager guest star Rosemary Morgan (whom she accompanied to the set, as Morgan was a minor at the time)  and the ex-wife of James Cromwell, who played Zefram Cochrane among others in the Star Trek franchise.
- Julie Cobb at Wikipedia
- Mother's Day Interview: Julie Cobb & Rosemary Morgan at StarTrek.com, the official Star Trek website