Helaine is the daughter of film/television actor and teacher,
Harvey Lembeck. She is also the sister of actor/director
Michael Lembeck. Helaine and Michael teach comedy acting at "The Harvey Lembeck Comedy Workshop" in Los Angeles, which was founded by their father. Their students are a "who's who" of successful sitcom actors including
John Ritter,
Robin Williams,
John Larroquette,
Lenny Clarke, and many others.