Dawn Lyn
Dawn Lyn Nervik is a retired American actress best known for her role as Dodie Douglas during the last three seasons of the longrunning family comedy television series My Three Sons. Her brother, Leif Garrett, is also a former actor. She also appeared in the original, Walking Tall with her brother, Leif Garrett as the children of Sheriff Buford Pusser who was played by Joe Don Baker.
Dawn Lyn Nervik was born in Los Angeles, California, to Carolyn Stellar and Rik Nervik. Her father was absent for most of her life.
Source: Wikipedia