(written from a Production point of view)
Jill Jacobson is the actress who played Vanessa in the Star Trek: The Next Generation second season episode "The Royale". She later appeared as Chalan Aroya in the Star Trek: Deep Space Nine fourth season episode "Broken Link".
Jacobson may best be known for her recurring role as Erin Jones on the prime-time soap opera Falcon Crest from 1985 through 1987. She also had a regular role on The New Gidget during the 1986-1987 TV season, co-starring with William Schallert.
In the 1980s, Jacobson appeared in a number of made-for-TV movies from director Steven Hillard Stern, including 1982's Not Just Another Affair and 1983's An Uncommon Love, both co-starring Ed Begley, Jr. (with the latter also featuring Phillip Richard Allen and Cyril O'Reilly). Another Stern project she starred in, 1984's Obsessive Love, co-starred Robert DoQui and Allan Miller. Her other TV acting credits include guest appearances on such series as Quantum Leap (starring Scott Bakula and Dean Stockwell), Newhart (with Tony Papenfuss), Freddy's Nightmares (with Mary Crosby and Tracey Walter), Arli$$ (with Eric Steinberg), and Whoopi Goldberg's Strong Medicine (with Martha Hackett).
Jacobson made her feature film debut with a small role in 1977's Bad Georgia Road, starring Gary Lockwood. The following year, she played the title role in the 1978 adult horror film Nurse Sherri. She went on to appear uncredited in the 1984 romantic comedy Splash (also featuring Clint Howard and Bill Smitrovich) and to have supporting roles in the 1988 films The Jigsaw Murders and Perfect Victims (with the latter co-starring Clarence Williams III). Her more recent film credits include 2001's Instinct to Kill and 2005's The Circle.