First broadcast 28th April 2013.
An unpopular fitter is murdered during a royal visit at a family owned munitions factory.
James Merry - Percy Malleson
Rosalind Halstead - Estella Broom
Jack Roth - Lenny Frost
James Northcote - Johnny Broom
Craig Parkinson - Reg Tracepurcel
Anton Lesser - Chief Superintendent Reginald Bright
Martin Jarvis - Henry Broom
Maimie McCoy - Alice Vexin
Darwin Shaw - Crown Prince Nabil
Roger Allam - DI Fred Thursday
Sean Rigby - PC Jim Strange
Jack Laskey - DS Peter Jakes
William Houston - Richard Broom
Shaun Evans - DC Endeavour Morse
Jo Cassidy - Brenda Grice (as Joanna Cassidy)
Jenny Seagrove - Nora Broom
William Brand - Dr. Werner Volk
Abigail Thaw - Dorothea Frazil
James Bradshaw - Dr. Max DeBryn
Craige Els - Factory Worker
Tim Stern - Cribb's Bootmaker
Ellie Beaven - Marigold Proctor
Greg Bennett - Police Constable
Colin Dexter - Don on Bench at College
Hugh O'Brien - Recital Guest
Georgina Patrick - Princess Margaret