In 2013, Carmack was cast in the ABC drama series "Nashville" as Scarlett and Gunnar's neighbor Will, a sexy and charming country singer and guitar player. Carmack's character initially appeared to be a womanizer and a potential threat to Scarlett and Gunnar's relationship, but it was revealed that the character is gay, and trying to protect his image as a heterosexual country music heartthrob. Carmack appeared in the final six episodes of the season, and was promoted from a recurring role to a series regular for season 2.