Jonathan Crombie who played the RCMP Officer that Kalinda (Archie Panjabi) talks to in Toronto (via Webcam) - is the son of former Toronto Mayor David Crombie - and is well known for playing Gilbert on the famous Anne of Green Gables (1985) TV Production.
Chris Noth (Peter Florrick) & John Ventimiglia (Detective Gary Prima) also worked together on episode 7.6, Courtship (2007), of Law & Order: Criminal Intent (2001), as Mike Logan & Ronald Hawk respectively.