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.
View Larger Map. Covington is the county seat of Fountain County, Indiana, United States. The population was 2,645 at the 2010 census. Fountain County was formed on April 1, 1826. Later that year, the county seat was established at Covington, and a two-story frame courthouse was built in 1827.