Melissa Joan Catherine Hart is an American actress, television director, and television producer. Hart is known for her title roles in the television series Clarissa Explains It All, the live action version of Sabrina, the Teenage Witch, and Melissa & Joey.
Hart married musician Mark Wilkerson in 2003; the wedding was the subject of a miniseries for television. Together, Hart and Wilkerson have three children. She wrote a diary, including video entries, to document potty training her son Mason.