Tripp Dalton is a fictional character from the NBC soap opera Days of our Lives. He is the thought to be dead son of legendary character Steve Johnson and the late "mafia princess" Ava Vitali. Through his father's marriage, he gained Kayla Brady as a stepmother and is the long lost half-brother of Joey and Stephanie Johnson. He is portrayed by Lucas Adams and he made his first appearance in March 23, 2017.