Brian Williams' daughter Allison Williams lands TV role
Brian Williams' daughter Allison Williams lands TV role, Allison Williams has had opportunities, but her part on the new series "Girls" is by far her biggest. Famous Family: Brian Williams, father. Breaking Out on TV: After a few small parts on "American Dreams" and "The League," 23-year-old Yale grad Allison just landed her first regular TV role as Marnie on HBO's buzzy new comedy, "Girls." But her father's certainly no stranger to the small screen: Dad Brian has been anchoring the NBC Nightly News since 2004, and has worked for the network's news department for nearly two decades now. Perhaps soon enough, he'll be reporting on his own daughter's Hollywood success.