14. Deadwood
For the show Deadwood, it was casting (mainly Timothy Olyphant) and the western dechor which made it cost $4.5 million an episode.
13. House of Cards
Obviously casting Kevin Spacey and Robin Wright for this series is costly. Adding some superb decor and artistic direction, results in an episode costing $4.7 million.
12. True Blood
True Blood is an expensive series due to the special effects, with an average price of $4.9 million.
11. Boardwalk Empire / Spartacus
Boardwalk Empire was expensive, due to the luxury decor and costumes.
In Spartacus, it is the special effects, the large number of actors and extras and the different film locations that make this an expensive show to produce..
$5 million per episode for both shows
10. World Without End
$5,7 million per episode for this mini series set in 14th century England.