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.
Zip code 30054 is primarily located in Newton County. Portions of 30054 are also located in Walton County. The official US Postal Service name for 30054 is OXFORD, Georgia. Portions of zip code 30054 are contained within or border the city limits of Oxford, GA, Covington, GA, and Conyers, GA. Zip code 30054 is within area code 678 and area code 770.