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