- Elvis Presley (played by Brandon Bennett): The legendary King of Rock and Roll himself.
- Priscilla Presley (played by Sarah Bowden): Elvis's ex-wife and the mother of his only child.
- Colonel Tom Parker (played by David Michael Moore): Elvis's longtime manager.
- The Sun Records Quartet (played by Mark LaFrance, Justin Arthur, David Hernandez, and Anthony Nobile): The musicians who backed Elvis on his early recordings.
- The Imperials (played by Jason Michael Brown, David Burnham, and Jake Simpson): Elvis's backup singers during the 1960s and 1970s.
- The Sweet Inspirations (played by Crystal Starr, Dena Blizzard, and Kimberli Joy): Elvis's backup singers during the 1970s.
- The Stamps Quartet (played by Bradley Bozeman, David Byrd, and Larry Strickland): Elvis's backup singers during the 1970s.
- The Joe Guercio Orchestra (played by the Cirque du Soleil Orchestra): Elvis's touring band.
- The Viva Elvis Dancers (performed by a cast of talented dancers): The dancers who bring the show to life with their incredible moves.