Ryan Newman as Perse Jackson. Asa Butterfiled as Nico Di Angelo. Avan Jogia as Thaddeus Grace. Lucas Till as Jason Grace. Amandla Stenberg as Hazel Levesque. They are known The Unbroken to the world as the most famous band in history. They are known as the Mystery 5. They were trained and raised by Douglas Davenport as his own children. What happens when they meet the Davenport's? What happens when Chase and Perse fall in love?