Season 23, episode 7 of the UK series Who Do You Think You Are? focuses on Dame Harriet Walter as she explores her family background across several countries and social worlds. The episode follows her search from Whitehall to Italy and Australia, revealing an ancestry story with unexpected turns.

According to the episode summary, Walter uncovers a striking mix of relatives and family connections. Her journey moves through very different settings, including the debtors' court and the opera house, suggesting a lineage shaped by hardship, status and artistic life.

The story also points to links with Italian nobility, adding another layer to the family investigation. That contrast between official circles, cultural history and international migration gives the episode a broad historical sweep while keeping the focus on Walter's personal discoveries.

As part of the long-running genealogy format, this installment appears to blend archival research with travel and family revelation. Harriet Walter's episode stands out for its cross-continental path and its portrait of ancestors drawn from dramatically different worlds.