Excerpt from PS3 Attitude:
"It has been revealed that the voice actor for the main role of Niko Bellic is none other than Bruce Kronenburg.
Well, Bruce has appeared in the occasional TV episode as a mobster, notably the Sopranos and Law & Order. He has also featured as 'Man on Street' in the 2004 movie 'Noise'..."
The correct spelling of Mr. Kronenberg's name is... well - you can guess by now.