"I just got on because I knew somebody." What's more, Kirk and Candace's parents appeared as extras in the episode.

RELATED VIDEO: Tracey Gold Tells Oprah About the ‘Firestorm’ Surrounding Her Disagreement with Growing Pains Costar Kirk ... family with these strong beliefs. His younger sister, Candace ...

While she became a star in her own right, she's not the first member of her family to find success in the acting world: Her ...