'Chicago Fire': Taylor Kinney as Kelly Severide, David Eigenberg as Christopher Herrmann. Peter Gordon/NBC Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Production assistants on the NBC drama Chicago Fire have unanimously voted to unionize. This was the first show shot in Chicago to win a National Labor Relations Board election for production assistants, and the first NBC show to reach this election result.