Flora Plum (2004) (in production) .... Trapeze Artist
Glamorama (2004) (pre-production) .... Jamie Fields
"Scare Tactics" (2003) TV Series .... Host
Hell on Heels: The Battle of Mary Kay (2002) (TV) .... Lexi Wilcox
Rendering, The (2002) .... Sarah
... aka Portrait of a Murder (2002) (USA: TV title)
Another Day (2001) (TV) .... Kate
Satan's School for Girls (2000) (TV) .... Beth Hammersmith/Karen Oxford
Striking Poses (1999) .... Gage Sullivan
"Charmed" (1998) TV Series .... Prue Halliwell (1998-2001)
Ticket, The (1997) (TV) .... CeeCee Reicker
Nowhere (1997) .... Val Chick 2
Sleeping with the Devil (1997) (TV) .... Rebecca Dubrovich
Friends 'Til the End (1997) (TV) .... Heather Romley
Gone in the Night (1996) (TV) .... Cindi Dowaliby
Mallrats (1995) .... Rene Mosier
Almost Dead (1994) .... Katherine Roshak
Burning Passion: The Margaret Mitchell Story, A (1994) (TV) .... Margaret Mitchell
Jailbreakers (1994) (TV) .... Angel Norton
Blindfold: Acts of Obsession (1994) (TV) .... Madeleine Dalton
... aka Blindfold (1994/I) (TV)
Freeze Frame (1992) (TV) .... Lindsay Scott
... aka Homeroom News, The (1992) (TV)
Secret of Lost Creek, The (1992) (TV) .... Jennie Fogle
Obsessed (1992) (TV) .... Lorie Brindel
Forever Young (1991) (TV)
"Beverly Hills, 90210" (1990) TV Series .... Brenda 'Bren' Walsh (1990-1994)
Beverly Hills, 90210 (1990) (TV) .... Brenda Walsh
Heathers (1989) .... Heather Duke
Outlaws (1986) (TV)
"Our House" (1986) TV Series .... Kris Witherspoon
Other Lover, The (1985) (TV) .... Alson Fielding
Girls Just Want to Have Fun (1985) .... Maggie Malene
"Robert Kennedy & His Times" (1985) (mini) TV Series .... Kathleen Kennedy (Part 1 & 2)
Little House: Bless All the Dear Children (1984) (TV) .... Jenny Wilder
Little House: The Last Farewell (1984) (TV) .... Jenny Wilder
Little House: Look Back to Yesterday (1983) (TV) .... Jenny Wilder
"Little House on the Prairie" (1974) TV Series .... Jenny Wilder (1982-1983)
... aka "Little House: A New Beginning" (1982) (last season title)
Night Shift (1982) .... Bluebell
Secret of NIMH, The (1982) (voice) .... Teresa
... aka Mrs. Brisby and the Rats of NIMH (1982)

Producer:

Another Day (2001) (TV) (co-executive producer)
"Charmed" (1998) TV Series (co-producer)

Director:

"Charmed" (1998) TV Series (episode "All Hell Breaks Loose") (episode "Be Careful What You Witch For") (episode "Good, The Bad and the Cursed, The")

Herself:

Swatch Dogs and Diet Coke Heads (2001) (V) .... Herself
Beverly Hills 90210: The E! True Hollywood Story (2001) (TV) .... Herself/Brenda Walsh
Jay and Silent Bob Strike Back (2001) .... Herself
Women of Charmed, The (2000) (TV) .... Herself/Prue Halliwell
Celebrity Profile: Alyssa Milano (1999) (TV) .... Herself
Saturday Night Live: The Best of Adam Sandler (1999) (TV) .... Herself
Playmate Pajama Party (1999) (V) (archive footage) (uncredited) .... Herself
... aka Playboy's Playmate Pajama Party (1999) (V) (USA: complete title)
Seventeen: The Faces for Fall (1998) (TV) .... Herself
Naked Gun 33 1/3: The Final Insult (1994) (uncredited) .... Herself
Women and the Pill: The Way it Works (1993) (TV) .... Host
MTV Video Music Awards 1992 (1992) (TV) .... Herself (presenter)
MTV Video Music Awards 1991 (1991) (TV) .... Herself (presenter)
Idols (1991) (TV) .... Herself
Circus of the Stars #11 (1986) (TV) .... Herself/Trapeze artist
Circus of the Stars #10 (1985) (TV) .... Herself/Trapeze artist