William Brent Unger is an American actor. He is known for playing Chase on the Disney XD series Lab Rats and Lab Rats: Elite Force. Credited as Billy Unger before 2016, starting with Lab Rats: Elite Force, he is credited as William Brent.
Dick Grayson, the first Robin, now Nightwing, hands off leadership of his team the teen Titans to his younger brother Tim Drake after the original members have all grown up so now Tim must form a team of his own.
