Maggie Gyllenhaal in The Dark Knight (2008)

Heath Ledger and Christopher Nolan in The Dark Knight (2008)

Cillian Murphy at an event for The Dark Knight (2008)

Jack Nicholson, Jared Leto, Cesar Romero, and Heath Ledger at an event for Batman (1989)

Dark Knight costume displayed at Legendary Pictures booth

Aaron Eckhart at an event for The Dark Knight (2008)

Chin Han at an event for The Dark Knight (2008)

Christian Bale and Sibi Blazic at an event for The Dark Knight (2008)

Christian Bale and Christopher Nolan in The Dark Knight (2008)

Gary Oldman, Christian Bale, and Aaron Eckhart in The Dark Knight (2008)

Christian Bale, Michael Caine, and Heath Ledger in The Dark Knight (2008)

Heath Ledger and Maggie Gyllenhaal in The Dark Knight (2008)

Gary Oldman and Nestor Carbonell in The Dark Knight (2008)

Christian Bale and Maggie Gyllenhaal in The Dark Knight (2008)

Christian Bale, Michael Caine, and Christopher Nolan in The Dark Knight (2008)

Christian Bale and Aaron Eckhart in The Dark Knight (2008)