Anna Friel as Anna McKinney

David Threlfall as Brian Mitchell

Anna Maxwell Martin as Katherine Farrell

Bobby Schofield as Joe Mitchell

Mark Womack as Paul Patterson

Jonas Armstrong as Peter McKinney Sr

Austin Haynes as Tom McKinney

Finn McParland as Peter McKinney Jr

Paddy Rowan as Sammy McVeigh

Nadia Kamalli as Hannah McVeigh

Annette Ekblom as Sheila Mitchell

Phina Oruche as Jodie Taylor

John May as Jack Hargreaves

Ash Tandon as Roger McGinn

Andrew Joshi as Johnny Abutti

Ryan McKen as Dr. Richard Harding

Martyn Ellis as Reverend Matthew

Paddy Stafford as Ben

Natasha Lucia Rea as Anna's Boss

Dalu Thebe as Defence Counsel

Emma Keele as Prosecution Counsel

Liz Jadav as Judge

Lushomo Maambo as Foreman

David Lonsdale as Clerk of Court

Paislie Reid as Nurse

Annabelle Dowler as G.P.

Jake Hagan as Prison Cleaner

Neil MacDonald as Priest

Chris Hanes as Prison Chaplain