Produced by Wall To Wall, the two-time BAFTA award-winning genealogy show Who Do You Think You Are? returns to BBC One this October with another star-studded line-up. The celebrities set to unravel their family history in this four-part series include: Jodie Whittaker, who faces some fraught family history; David Walliams, who uncovers a relative’s traumatic experience during WWI and learns that entertaining runs in the family; Liz Carr, who investigates an ancestor’s role in an attempted murder; and Ruth Jones, who unearths a family connection to the origins of the National Health Service. The new series of Who Do You Think You Are? launches on BBC One this October.