- 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 — S20E3
Episode: The Big Smoke
Air Date: 2026-10-19
Runtime: 44 min
Overview
Murdoch spars with Jack Johnson, the first black Heavyweight Champ of the World, when the boxer is implicated in the death of a man in his entourage.