- Season 1 (BBC America)
- Season 2 (BBC America)
- During the filming of the bridge hostage exchange scene in 1.02 Lost & Found, Barnett slipped and badly injured his right shoulder. The in-series trend of Dirk getting injured on his right side might have been influenced by that, or is just an amusing coincidence.
- Barnett coined the term "Dirktectives" for fans of the series.
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