Jonathan Steven Jackson (born May 11, 1982) is an American actor, musician, and author. He is best known for his roles as Lucky Spencer on the ABC daytime medical drama soap opera General Hospital from 1993 to 2011 and stars as Avery Barkley on the ABC musical drama series Nashville since 2012.

For Disney, he played Jesse Tuck in the 2002 Disney family film, Tuck Everlasting and Morris "Mud" Himmel in Camp Nowhere.