In the early 1980s Harrison dated L.A. Rams guard Dennis Harrah and major league baseball player Reggie Jackson.
In 1984, Harrison played a reluctant prostitute in the movie Tank alongside James Garner and C. Thomas Howell.
In 1985, she appeared on Super Password with Dick Gautier, appearing again in 1986, this time with Marty Cohen, Michael Young and Bruce Baum, and Dallas star Ken Kercheval back in 1987 with Bert Convy. Also, in 1985, she made a brief appearance as a waitress in Loverboy's music video Lovin' Every Minute Of It.
In 1993, Harrison married Dr. Bruce Oppenheim, a prominent Los Angeles area chiropractor, who is the ex-husband of Actress Cybill Shepherd. She has two stepchildren from her husband's previous marriage to Shepherd: Molly Ariel Shepherd-Oppenheim and Cyrus Zachariah Shepherd-Oppenheim.
Harrison also guest-starred on That '70s Show in 1999. In 1991, she starred in the movie Panga opposite Christopher Lee.
In 2005, Harrison began appearing in infomercials for the Ultimate Chopper with Chef Tony.