Derek Hough, Alexa PenaVega & Brette Taylor Join ABC's 'Nashville'

Derek Hough joins Nashville in Season 3.

Nashville is adding three more actors to the mix for its upcoming third season, currently filming in Music City.

Professional dancer Derek Hough of Dancing With the Stars fame will play Noah West, a 20-something movie star who has a role in an upcoming biopic of a famous country singer.

Alexa PenaVega will play single mom Kiley, the high school sweetheart of Gunnar Scott (Sam Palladio). And Brette Taylor takes on the role of Pam, a backup singer for Luke Wheeler (Will Chase) with a "complicated past."

The trio joins previously announced addition Laura Benanti, who will guest star as Sadie Stone in a multi-episode arc.

Season 3 of Nashville is set to premiere Wednesday, September 24 at 10 p.m. ET/PT on ABC.