Anthony Horowitz Creator, Writer Bill Thomas Willis Actor Katy Brittain Joyce Davies Actor Fergus Webster PC Fisher Actor Tom Bowles Graham Davies Actor Jamie Parker Bruce Leighton-Morris Actor Julian Ovenden Andrew Foyle Actor Michael Kitchen Christopher Foyle Actor Honeysuckle Weeks Samantha Stewart Actor Anthony Howell Paul Milner Actor Hugh Lloyd Frank Watson Actor Anthony Calf Martin Keller Actor Roger Allam Alastair Graeme Actor Louise Breckon-Richards Jane Holdsworth Actor Naomi Frederick Anne Roberts Actor Geoffrey Hutchings Harold Smith Actor Eileen Davies Enid Smith Actor Adam Kotz Henderson Actor Anton Lesser Austin Carmichael Actor Stephen Moore Iain Stewart Actor Ifan Huw Dafydd Creavey Actor Michael Simkins Hugh Reid Actor Jane Booker Elizabeth Graeme Actor Jill Green Executive Producer Jim Reeve Executive Producer Jeremy Silberston Director