Tommy Lee Royce – James Norton
As Catherine digs deeper into the gangland murder victim’s past, she sees he has a connection to Tommy Lee Royce.
As fans are well aware, Tommy is Catherine’s nemesis, as he raped her late daughter, leading to the birth of her grandson Ryan Cawood (Rhys Connah).
Actor James Norton is best recognised for starring as Sidney Chambers in ITV’s Grantchester and, most recently, The Nevers as Hugo Swan.
Clare Cartwright – Siobhan Finneran
Catherine’s sister Clare has always tried to be there for her during some of the most horrific days of her life.
But she has had her own struggles and is still recovering from alcoholism and heroin addiction in the third season.
Actress Siobhan Finneran has been in The Stranger, The Loch, Coronation Street, Downton Abbey, The Other One and Benidorm as the unforgettable Janice Garvey.