(written from a Production point of view)
Elza Bergeron (born 1941) was a casting director on Star Trek III: The Search for Spock, along with Mary Ann Barton and Stuart Jensen. She is a former Associate Director of Television Talent for Paramount Studios.
Bergeron was the casting director on the hit television series Family Ties, on which Star Trek: The Next Generation actor Brian Bonsall was a regular. On 2 June 1984, she married one of the stars of that series, Michael Gross. Bergeron has a daughter named Katharine and a son named Theodore from a previous marriage.  
She also worked on the 1982 CBS TV movie An Innocent Love, the 1983 horror film One Dark Night and 1990's Penny Ante: The Motion Picture. Vincent Schiavelli was among the performers Bergeron helped get cast in the latter film.
Bergeron is co-owner of the Santa Fe Southern Railway in New Mexico. She is a former board member of the Institute of American Indian Arts and is currently on the board of directors for the Futures for Children organization. She and her husband reside in La Cañada Flintridge, California.