Guest Stars Jamie Parker as Bruce Leighton-Morris Anton Lesser as Austin Carmichael Roger Allam as Group Captain Alastair Graeme Anthony Calf as Wing Commander Martin Keller Eileen Davies as Enid Smith Naomi Frederick as Anne Roberts Adam Kotz as Henderson Stephen Moore as Iain Stewart Bill Thomas as Willis Tom Bowles as Graham Davies Louise Breckon-Richards as Jane Holdsworth Ifan Huw Dafydd as Creavey Jane Booker as Elizabeth Graeme Geoffrey Hutchings as Harold Smith Hugh Lloyd as Frank Watson