Guest Stars Lewis Howden as Sgt Billy McCabe Dawn Steele as Stella Quinn Phyllis Logan as Grace Bain Russ Bain as Bobby Bain Barry O'Connor as Kieran Quinn Steven Miller as Reverend Alan Calder Tibu Fortes as Harry Lamont Kevan MacKenzie as James Innes Bamshad Abedi-Amin as Azir Sadat Jakub Bednarczyk as Rory Quinn Nina Toussaint-White as Amma Calder Maisie Norma Seaton as Ellen Quinn Dylan Blore as Tom Knox Jennifer Black as Jean Ferguson