Guest Stars Michael N. Harbour as Trevor Wilson David Schaal as Kelly Sebastian Abineri as Major Thomas Semple Gwyneth Strong as Catherine Caldwell Annie Hulley as Lorna Morrow James Staddon as Philip Cunningham John Abineri as Brigadier Matthew Semple William Armstrong as Frank Morrow Susannah Wise as Deborah Morrow Richard Hampton as Lieutenant Colonel Terry Anne Myatt as Shona Docherty Gwenno Dafydd as 'Eileen' - Car Mechanic Helena Michell as Gayle Cunningham Lee Boswell as Graham Docherty