<p>The new Netflix thriller I Came By delves into the dark side of a retired judge played by Hugh Bonneville, when he crosses paths with a pair of young graffiti artists.</p><p>It's a timely message given the febrile political climate in the UK, but it's a challenge the stars were happy to rise to, as Bonneville and Percelle Ascott explain.<br><br>I Came By is in cinemas now and on Netflix from 26 August.</p>
