Broadchurch is a program.
Broadchurch is a British television crime drama broadcast on ITV . Broadchurch series one focused on the search for the boy 's murderer by detectives Alec Hardy ( played by David Tennant ) and Ellie Miller ( played by Olivia Colman ) . Much of the tone of the series was inspired by the music of Ólafur Arnalds , who also composed the soundtrack for the programme .