All 18 episodes from the seventh season of the historical crime drama set in late 19th century toronto yannick bisson stars as inspector william murdoch a dashing young detective who pioneers new scientific approaches to solving crime such as fingerprinting forensic techniques and lie detector machines assisted by inspector thomas brackenreid thomas craig coroner dr julia ogden helene joy and constable george crabtree jonny harris murdoch employs these newfangled methods as well as