- 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 — S12E5
Episode: The Spy Who Loved Murdoch
Air Date: 2018-10-22
Runtime: 44 min
Overview
Murdoch impersonates a dead diplomat to save a treaty, but political and sexual intrigue complicate matters.