who is the voice actor for robin in the lego batman movie
Fiennes now joins Will Arnett, who is reprising the Caped Crusader role he originated in Lego Movie, Michael Cera, voicing the heroâs sidekick, Robin, and Rosario Dawson, who is playing Batgirl. Zach Galifianakis is in negotiations to play the Joker. Alfred has been a Batman fixture since 1943.