- 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 — S18E20
Episode: Going Postal
Air Date: 2025-03-31
Runtime: 44 min
Overview
Murdoch investigates a letter with a death threat discovered by his neighbour, Tippy Longfellow.