A new Batman: Arkham Knight behind-the-scenes video reveals the celebrity voice talents which include Lord of the Rings, Breaking Bad, and Twilight Saga actors and actresses barely two months before its official release.

The line-up of celebrity actors and actress who appeared on Warner Bros. video for their voice talent on Batman Arkham Knight video game is listed as follows:

• Jonathan Banks (Breaking Bad) -- James Gordon
• John Noble (The Lord of the Rings) -- Scarecrow
• Ashley Greene (The Twilight Saga) -- Barbara Gordon
• Scott Porter (Friday Night Lights) -- Nightwing

They will be joining the returning voice actors Kevin Conroy as Batman, Troy Baker as Two-Face, Nolan North as Penguin, and Tara Strong as Harley Quinn.

Meanwhile, Warner Bros. and Rocksteady Studios has alos announced more details about the expensive DLC pass for the Batman: Arkham Knight. Somehow to justify the forty dollars DLC, the developers revealed more details about the offering. Batgirl, who is featured in the DLC as an extra mission, is now revealed as Barbara Gordon - the daughter of Gotham City police commissioner James Gordon.

Those who buy Batman Arkham Knight's DLC pass can play the role of Batgirl in a prequel story of the game which is called A Matter of Family. The DLC pass comes with six months' worth of content including all new Batman story missions, the legendary Batmobiles with themed tracks, character skins, and maps.

Batman: Arkham Knight will run in full HD 1080p in Playstation 4 according to PlayStation 4 product page.

Originally scheduled to release in 2014,  Batman: Arkham Knight's official release date is June 23 for Xbox One, PS4, and Windows PC. This E3 2014 award winning game was on top of Amazon UK's list of the most pre-ordered game in January, which is closely followed by Dying Light and The Witcher 3: Wild Hunt.