Hugh Laurie

as Peter Laurence

4 episodes

Helen McCrory

as Dawn Ellison

4 episodes

Pippa Bennett-Warner

as Rochelle Madeley

4 episodes

Olivia Vinall

as Julia Blythe

4 episodes

Iain De Caestecker

as Duncan Knock

4 episodes

Sidse Babett Knudsen

as Madeleine Halle

4 episodes

Shalom Brune-Franklin

as Rose Dietl

4 episodes

Jennifer Hennessy

as Bryony Beckett

4 episodes

Anna Francolini

as H.J. Keane

4 episodes

Emma Cunniffe

as Sydney

4 episodes

Danny Ashok

as Luke Strand

4 episodes

Millie Brady

as Lily Laurence

4 episodes

Tony Pitts

as Mick 'The Mouth' Murray

4 episodes

Gbemisola Ikumelo

as Steff Frost

3 episodes

Kate Thuli Lamb

as Lindsay Storm

3 episodes

Katie Leung

as Margaret Moore

3 episodes

Nicholas Rowe

as Adam De Banzie

3 episodes

Pip Torrens

as Joe Lapidus

3 episodes

Natalie Dew

as Alisha Burman

3 episodes

Yolanda Kettle

as Joy Pelling

3 episodes

Caroline Lee-Johnson

as Bella Gayle

3 episodes

Saskia Reeves

as Helen Laurence

3 episodes

Alice McMillan

as Charlotte Hedge

3 episodes

Adelle Leonce

as Erika

2 episodes

Crystal Clarke

as Nadia (uncredited)

(+1 more)

2 episodes

Teresa Banham

as Barbara Cooke

2 episodes

Patricia Hodge

as Lady Roche

2 episodes

Sylvestra Le Touzel

as Dame Vanessa Pollard

2 episodes

Guy Henry

as Trevor Quinn

2 episodes

Amie Francis

as Female Guard

2 episodes