Kirsty Coniston

Sharp and shrewd and in a strained relationship, Kirsty finds that her marriage to John is just going through the motions.

It’s not entirely John’s fault, she can see that he is unhappy just rolling along day after day, but unlike him she isn’t afraid of a brand new start. Despite her husband’s infertility she wants to start a family, so she decides that they should adopt a child.

But when she is held hostage at gun point by an armed robber on the night of the heist at Larson House, afterwards everything changes.

Nicola Walker

Best known for playing Ruth in Spooks, Nicola Walker has also played roles in Being Human, Luther, and Oliver Twist.

Nicola Walker on IMDB.