Denis Martin Cowley QC (30 January 1919 – 28 June 1985) was a British barrister and judge.
[2] Cowley served during the war as a Sergeant and then a Flight Lieutenant in the Royal Air Force Volunteer Reserve from 1939–45.
He made numerous attempts to escape and succeeded in reaching Switzerland where he was held by the authorities.
He made a further escape to France, where the French Resistance helped him to link up with the Allied Forces.
[8] During the trial, Cowley advised Le Mesurier that his best chance of acquittal was by giving evidence that could harm the other defendants, including Jeremy Thorpe.