Holly obtained her SAG (Screen Actor's Guild) card when she appeared in 'Walls of Glass' aka 'Flanagan' (1985), a film in which her mother, Lauralei also had a role.Her mother was a guest star on Charmed in the episode 'Just Harried' (Episode: #3.15), 22 February 2001 as a girl in the bar.Along with Alyssa Milano and Rose Mc Gowan, she appeared in a Red Cross PSA at the end of a 'Charmed' episode to encourage people to donate blood.
In the Charmed episode 'Coyote Piper', Shannen taught Holly how to dance. One of the men to whom Piper, possessed by the essence, in this episode, gives a shot of booze during her bar dance is David Donoho, her then boyfriend and now ex-husband who used to work as a key grip on the show.
Shannen Doherty suggested to Aaron Spelling that he hire Holly for one of the Charmed sisters.
When she was younger she had a Siberian husky named Wiley, which was given to her by Actor, Don Johnson.
Fav Book: 'Practical Magic' by Alice Hoffman and 'The Garden of Eden' by Ernest Hemingway. It's pure escapism to another time and place."Fav shows: The X-Files, Friends and Desperate Housewives. She hates: To be naked in movies because when she was 21 she went topless for a few seconds in 'A reason to believe' and didn't think anything of it (She didn't read the script, and by the time she got there is was too late to turn back), then all of a sudden the pictures were all over the internet and captured in 15 different poses.
She was also in a movie called 'Forces of Nature' in 1999. "And riding these things on huge sand dunes is ridiculously frightening. '" She admitted on the Regis and Kathy Lee show that she had taken some pictures at Alyssa's wedding and they showed up in The Star.