Besides Michael C. Hall playing the title character, the show's supporting cast includes Jennifer Carpenter as Dexter's adoptive sister and co-worker (and later boss) Debra, and James Remar as Dexter's adoptive father, Harry.
Covington, Georgia. Covington is a city and the county seat of Newton County, Georgia. It is located 35 miles east of Atlanta, Georgia. As of 2012, its population was 13,347.
The first five episodes were shot in northern Georgia. Street scenes for the county seat are actually from Covington, Georgia, which has a small Dukes of Hazzard museum in the back of the A Touch of Country cafe. The rest of the show was filmed in California.