Anthony Horowitz Creator, Writer Martin Hutson Henry Scott Actor Malcolm Sinclair Father Martin Keppler Actor Fiona Glascott Jane Hudson Actor Vince Leigh Adam Everitt Actor Julian Wadham W , Cmdr Stephen Foster Actor Sheila Ballantine Victoria Hammond Actor Nicholas Day DCS John Meredith Actor Jay Simpson Sgt Brooke Actor Anthony Howell Paul Milner Actor Michael Kitchen Christopher Foyle Actor Honeysuckle Weeks Samantha Stewart Actor Philip Fox Bill Burton Actor Robert Whitelock Richard Waterlow Actor Elizabeth McKechnie Joyce Meredith Actor Clifford Rose Bishop Francis Wood Actor Michael Jayston AC Henry Parkins Actor Jill Green Executive Producer Jim Reeve Executive Producer Tristram Powell Director