Harley Jane Kozak (born January 28, 1957) is an American author and retired actress. She made her film debut in the slasher film The House on Sorority Row (1982), and had a recurring role as Mary Duvall on the soap opera Santa Barbara between 1985 and 1989. Kozak continue to act in film throughout the remainder of the 1990s and in the 2000s, but turned her focus to writing novels.
She is an American actress and author recognized for her prominent roles in studio films and daytime soap operas before shifting her focus to writing novels.
She is best known for her performances in Arachnophobia, Parenthood, and When Harry Met Sally..., alongside her recurring television work.
She worked primarily as a mainstream film and television actress in comedies and thrillers before becoming a published author.
She began her professional career as a member of the Nebraska Repertory Theatre.