Guest Stars Sonya Cassidy as Celine Ashworth Clare Calbraith as DC Rebecca "Shep" Shepherd Mia Wyles as Jessie Ashworth Alex Price as Lance Corporal "Budgie" O'Connor Ben Aldridge as Alex Barton Ben Aldridge as Ollie Barton Steven Cree as Corporal Vince Grafton Naomi Bentley as Laura Deverson Barbara Marten as Diane Barton John Duttine as Lt. Colonel Chapell Adnan Sarwar as Sergeant Anna Bolton as Sergeant's Wife Simon Chandler as Keith Barton Barry McGee as Staff Sgt. "Dev" Deverson
