Who Do You Think You Are? S5, E2

Celebrities are given the opportunity to research their family trees with surprising and often unexpected results.

Cast:Mocean Melvin , Ken Rogers , Courteney Cox , Julie Bowen , Smokey Robinson , Jessica Biel , Noah Wyle , Jennifer Grey , Liv Tyler , John Stamos , Cherie Lunghi , Joseph Shumway , D. Joshua Taylor , Laverne Cox , Molly Shannon , Hilary Duff , Jean Smart , Jon Cryer