|Detective William Murdoch, played by Yannick Bisson
A young detective using radical forensic techniques, like fingerprinting and trace evidence, to solve some of the city's most gruesome murders. Though his unconventional approach elicits ridicule from fellow officers.
|Dr. Julia Ogden, played by Helene Joy
A staunch ally who shares the detective's fascination with forensic science.
|Inspector Brackenreid, played by Thomas Craig
Murdoch's skeptical boss.
|Constable George Crabtree, played by Jonny Harris
Murdoch's eager but inexperienced right-hand man.