THE CASTING:
Batman/Bruce Wayne (David Mazous & Hugh Dancy)
Commissioner James Gordon (William H. Macy & Ben McKenzie)
Alfred Pennyword (Sean Pertwee)
The Joker/Jack Napier/Joe Kerr (Robin Taylor Lord)
The Riddler/Edward Nygma (Jonathan Rhys Meyers)
Bette Kane (Sara Paxton)
Det. Harvey Bullock (Donald Logue)
Harley Quinn/Dr. Harleen Quinzel (Cassidy Alexa)
Nyssa Al Ghul (Katrina Law)
NOTABLE CAMEOS:
Lex Luthor (Michael Rosenbaum)
Clark Kent (Tom Welling)
Wonder Woman/Diana Prince (Megan Ory)
Oliver Queen/Arrow (Stephen Amell)
Barry Allen/The Flash (Grant Gustin)
John Constantine (Matt Ryan)
John Diggle/Green Lantern (David Ramsey)
Ben Tennyson/Ben 10 (Ryan Kelley)
Max Grandpa Tennyson (Barry Corbin)
Sandra Tennyson (Joely Richardson)
Carl Tennyson (Bryan Cranston)