Caird's production, in the setting of Canterbury's vaulted cathedral, is not helped by jolting, modern-day yob-speak, including "need to take a leak", and "you owe me one".
These touches, and the sight of actors on wooden horses pushed by stage hands, make some smile, but remind me Anouilh makes 12th-century England sound far too close to 21st-century British drama.
But the performances never have too contemporary a ring: Polly Kemp as the queen whom Henry scorns, and Ann Firbank's sophisticated queen mother, look the period part.
Best of all, Britton's Henry, with his jerky walk and adoring glances at Becket, dares to describe that most threatening thing, male humiliation.