<Tr> <Th> Years active </Th> <Td> 1969 - 1978 </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> Michael Whitby (m . 1990; div. 2001) W. John Reese (m . 2006) </Td> </Tr> <P> Dawn Lyn Nervik (born January 11, 1963) is a retired American actress best known for her role as Dodie Douglas during the last three seasons of the long - running family comedy television series My Three Sons . Her brother, Leif Garrett, is also a former actor . </P> <P> Dawn Lyn Nervik was born in Los Angeles, California, to Carolyn Stellar and Rik Nervik . Her father was absent for most of her life . </P>

Who played the little girl on my three sons