Who Do You Think You Are? S17, E1

Celebrities study their lineages and family trees, usually learning surprising secrets they never knew about their families.

Cast:Mark Strong , Phil Davis , Cherie Lunghi , David Morrissey , Adrian Chiles , Nick Barratt , Edgar Jones , Laura Berry , Sarah Richardson , Meera Syal , Amanda Redman , Jeremy Clarkson , Sue Johnston , Vic Reeves , Bill Oddie , David Baddiel , Ian Hislop , Moira Stuart