Deadwood

Despite appearing in 32 out of 36 episodes, Jeffrey Jones (Merrick) was listed as a guest star in the first season. Similarly, Gerald McRaney (George Hurst) received a "special guest star" credit in Season 3, even though he appeared in all 12 episodes of that season.

The word "fuck" and its derivatives are used 2,980 times throughout the series.

For a long time there was a bar called Bullock's Tavern in Amherstburg, Ontario, Canada, which was originally owned by Seth Bullock's parents and was also the place he was born.