- David Tennant (Tony Baddingham)
- Alex Hassell (Rupert Campbell-Black)
- Nafessa Williams (Cameron Cook)
- Bella Maclean (Taggie O'Hara)
- Katherine Parkinson (Lizzie Vereker)
- Victoria Smurfit (Maud O'Hara)
- Claire Rushbrook (Lady Monica Baddingham)
- Oliver Chris (James Vereker)
- Lisa McGrillis (Valerie Jones)
- Emily Atack (Sarah Stratton)
- Rufus Jones (Paul Stratton)
- Luke Pasqualino (Basil 'Bas' Baddingham)
- Catriona Chandler (Caitlin O'Hara)
- Bryony Hannah (Deirdre Kilpatrick)
- Milo Callaghan (Seb Burrows)
- Lara Peake (Daysee Butler)
- Wendy Albiston (Mrs. Makepiece)
Rivals — S2E4
Episode: Episode 4
Air Date: 2026-05-22