The 23rd series of Who Do You Think You Are? Will see Mr Bates vs the Post Office star Toby Jones making an “astonishing discovery” about his lineage in north India, Zoe Ball unearthing a tragedy in her Cornish roots and Strictly’s Amy Dowden solving a murder and finding an emotional story in her ancestry with parallels to her own life. The BAFTA-winning BBC series has landed an “exceptional” cast for 2026, which also features actors Adeel Akhtar, Dame Harriet Walter and Ruth Madeley, Olympic