Colin R Campbell returns to the 4th Series of UNFORGOTTEN as Detective Superintendent Andrews.

Unforgotten is a British crime drama television series, which initially aired on ITV on 8 October 2015. It is written by creator Chris Lang and directed by Andy Wilson. The programme follows two London detectives, DCI Cassie Stuart (Nicola Walker) and DI Sunny Khan (Sanjeev Bhaskar), as they solve cold cases of disappearance and murder.