- 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 — S11E5
Episode: Dr. Osler Regrets
Air Date: 2017-10-23
Runtime: 44 min
Overview
A spate of murders staged as suicides leads Murdoch to suspect a sequential killer targeting the elderly.