Joseph Gordon-Levitt as Nightwing, the protector of Gotham who replaces the original Batman when Bruce Wayne retires. ???? ???? as Tim Drake, the newest Robin who replaces Jason Todd who died in the previous film. Drake is an orphan child who figures out Nightwing's identity and then trains with him. ???? ???? as Barbara "Babs" Gordon, the daughter of the retired Jim Gordon. She became Batgirl but was severely injured so she manned the computer until she recovered. She is now recovered and Batgirl again.