Entourage Stills

Known for her starring roles in the television series "Clarissa Explains It All" and "Sabrina the Teenage Witch," Melissa Joan Hart began her career at the early age of four with television commercials and various television appearances. She starred in the film "Drive Me Crazy" alongside <a href="/baselineshow/4798998">"Entourage's"</a> Adrian Grenier, as well as the ABC Family Original Movie "Holiday in Handcuffs," opposite <a href="/baselineshow/4730333">"Dancing with the Stars"</a> alumnus Mario Lopez, which was the highest rated program in the history of the network. In 2009 Hart starred in another ABC Family Original Movie, "My Fake Fiancé" alongside Joey Lawrence that also garnered huge ratings. In 1993 she started her own production company, Hartbreak Films, and is set to release her first thriller film, "Nine Dead," to DVD in January 2010. Hart and husband Mark Wilkerson are the proud parents of two sons, Mason, age three, and Braydon, 17 months. She teams up with reigning two-time "Dancing with the Stars" champ Mark Ballas, who returns for his fifth season.

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