Guest Stars Nina Toussaint-White as Lucy Damien Molony as Jon Caroline Ginty as Caroline Dustin Demri-Burns as Simon Karl Theobald as Therapist Rosa-Marie Lewis as Office Lady Ciaran Dowd as Ian Clare Wille as Jane Ben Clark as Steven Rachel Stubbings as Child's Mum Catriona Knox as Amy Paul Longley as Office Guy Ava Hammatt as Little Girl Jake Stacey as Little Boy