this is the first film in a new series written by the same person who wrote the batman origin series. the costume used for nightwing is a direct copy of the one from batman arkham city.
dick grayson/nightwing: under vote leave your comment.
bruce wayne/batman: christian bale
lucius fox: morgan freeman
alfred: micheal kane
jonathan crane/scarecrow: cillian murphy
robert langstrom: liam neeson
brent baxter: hugh jackman