David Tennant Tony Baddingham Actor Oliver Chris James Vereker Actor Katherine Parkinson Lizzie Vereker Actor Alex Hassell Rupert Campbell-Black Actor Victoria Smurfit Maud O'Hara Actor Luke Pasqualino Basil `Bas' Baddingham Actor Danny Dyer Freddie Jones Actor Lisa McGrillis Valerie Jones Actor Aidan Turner Declan O'Hara Actor Nafessa Williams Cameron Cook Actor Claire Rushbrook Lady Monica Baddingham Actor Dominic Treadwell-Collins Executive Producer Alexander Lamb Executive Producer