Directed by Sam Liu, Batman and Harley Quinn is an animated movie released this year in August. The film is adapted from the original story, ‘Batman: The Dark Knight returns’ by Bruce Timm. It is produced by Warner Bros. and is the 29th film in the DC Universe animated original series. The movie stars Kevin Conroy as Batman and Melissa Rauch (The Big Bang Theory) as Harley Quinn. Loren Lester is the voice of Nightwing.