From Greg David at TV Guide.ca:

• Callum Keith Rennie shines in psychotic ‘Shattered’
  “Played to perfection by veteran actor Callum Keith Rennie, Ben is a brilliant homicide detective with a secret: he suffers from Dissociative Identity Disorder (DID), a.k.a. Multiple Personality Disorder. No one at his Vancouver precinct knows Ben has four alternates swirling around in his psyche, though they do wonder about the fugue states he enters from time to time, and the subtly different guy that emerges from them. When “normal,” Ben is quietly confident in his job and has a dry sense of humour.” Read more.

Wednesday, September 1 – 10pm ET/PT *Series Premiere*
*Starring Callum Keith Rennie (24, Californication), Camille Sullivan (Intelligence) and Molly Parker (Swingtown)*

“The Sins of Fathers”

In the series premiere, Ben Sullivan (Callum Keith Rennie), a smart, tough homicide detective who suffers from Multiple Personality Disorder, unwittingly drags his new partner, Amy Lynch (Camille Sullivan), into a clouded murder investigation.

From Michael Oliveira of the Canadian Press:

• After years of supporting roles, Callum Keith Rennie takes centre stage
  “Canadian actor Callum Keith Rennie has played a drinking buddy to David Duchovny’s Hank Moody on “Californication,” a foil to Kiefer Sutherland’s Jack Bauer on “24,” and chased confused amnesiac Leonard Shelby (Guy Pearce) during a memorable scene in the movie “Memento.” But in “Shattered,” premiering Wednesday night on Global, the actor mostly known for his supporting roles plays the lead, Det. Ben Sullivan, a troubled homicide investigator with multiple personality disorder.” Read more.

From John Doyle of the Globe and Mail:

• A head-case cop show with issues
  “The series, made in Vancouver and making good use of the city, is not easy to review. It has good bits and rather poor bits. It is, like its central character, splintered. This is to be expected, perhaps, from the opening episode of a series that promises rich psychological drama over the long run. Mind you, segments of Shattered are just a tad too rough for some people’s patience.” Read more.