(written from a Production point of view)
Sharon Hesky is an actress who appeared as a Federation civilian in Star Trek: The Motion Picture. She received no credit for her appearance and was identified by the name tag of her costume which was sold off on the It's A Wrap! sale and auction on eBay. 
Hesky also portrayed background characters in the war drama Coming Home (1978, with Bruce French, Gwen Van Dam, David Clennon, and Gary Downey) and in Ridley Scott's science fiction thriller Blade Runner (1982, with Joanna Cassidy).