Shaun Evans DS Endeavour Morse Actor Roger Allam DCI Fred Thursday Actor Caroline O'Neill Win Thursday Actor Jules Robertson Debating Society President Actor Caroline Goodall Lady Bayswater Actor Marcus Griffiths Marcus X Actor Claire Ganaye Claudine Actor Ray Sesay Pte. Oswald Actor Lee Armstrong Pte. Collier Actor Ian Pirie Lt. Col. Mad Jack McDuff Actor William Scott-Masson Col. Champion Actor Robert Portal Maj. Coward Actor Bert Seymour 2nd Lt. Rupert Carmichael Actor Greg Austin Kit Hutchens Actor Rebecca Saire Hazel Radowicz Actor Jack Bannon Sam Thursday Actor Sam Marks Justin Farridge Actor Dominic Carter CSM Davies Actor Dominic Thorburn Dr. Rex Laidlaw Actor Leo Hatton Jean Ward Actor Lewis Peek DC George Fancy Actor Anton Lesser Chief Superintendent Reginald Bright Actor Sean Rigby DS Jim Strange Actor James Bradshaw Dr. Max DeBryn Actor Steven Elder Barker Actor Dakota Blue Richards WPC Shirley Trewlove Actor Sara Vickers Joan Thursday Actor Russell Lewis Writer Robert Quinn Director Colin Dexter Writer