About Joanna Kerns
Joanna Kerns is an American actress and director best known for her role as Maggie Seaver on the ABC sitcom Growing Pains from 1985 to 1992. Then, Kerns got her first steady acting job in 1983, starring as Pat Devon in a new CBS series called The Four Seasons, which lasted only one season. Kerns and Thicke's chemistry won them both the parts, and the two became great friends off the show. She has also co-founded the Women in Film Crystal + Lucy Awards given to women in acting.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.