The Tower on ITV: Who plays DC Steve Bradshaw and what has Jimmy Akingbola been in before?

The Tower on ITV1: How many episodes is it and is it based on a novel?

The Tower on ITV1: Who is in the cast of the thriller opposite Gemma Whelan?

The Tower on ITV1: Who plays PC Lizzie Adama and what has actress Tahirah Sharif been in before?