The BBC must stop “tick box” diversity casting in its dramas, a review commissioned by the corporation has warned. Murder Is Easy, BBC One’s 2023 adaptation of an Agatha Christie novel, was cited in the review as an example of diversity being “superimposed” on a story. The review said that productions “should consider their choices carefully” when it comes to colour-blind casting. The review is critical of some of the casting in crime drama Shetland - Jamie Simpson/BBCThe review pointed to the casting in BBC One crime drama Shetland. Diverse casting in BBC dramas is heavily weighted towards black actors.