- 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 — S19E3
Episode: Toronto's Smartest Man
Air Date: 2025-10-20
Runtime: 44 min
Overview
A contestant is murdered during the "Toronto's Smartest Man" battle of the wits, leading Murdoch to join the contest to see if he can puzzle out who the killer might be.