- Yannick Bisson (Detective William Murdoch)
- Helene Joy (Dr. Julia Ogden)
- Thomas Craig (Chief Constable Thomas Brackenreid)
- Jonny Harris (Constable George Crabtree)
- Lachlan Murdoch (Constable Henry Higgins)
Murdoch Mysteries — S8E9
Episode: The Keystone Constables
Air Date: 2014-12-08
Runtime: 42 min
Overview
Crabtree and Higgins go under cover to investigate the murder of a vaudeville comic.