Jake Castorena Director, Screenwriter Darren Criss Raphael Voice Tara Strong Harley Quinn , Poison Ivy Voice Rachel Bloom Batgirl Voice Tom Kenny The Penguin Voice Troy Baker Batman , Joker Voice John DiMaggio Mr. Freeze Voice Cas Anvar Ra's al Ghul Voice Brian George Alfred Voice Carlos Alazraqui Bane Voice Kyle Mooney Michelangelo Voice Baron Vaughn Donatello Voice Eric Bauza Leonardo Voice Jim Meskimen Commissioner Gordon , Scarecrow Voice Keith Ferguson Baxter Stockman , Two Face Voice Ben Giroux Robin Voice Andrew Kishino Shredder Voice Marly Halpern-Graser Screenwriter Ben Jones Producer Benjamin Melniker Executive Producer Sam Register Executive Producer Michael E. Uslan Executive Producer Chris Viscardi Executive Producer Robert Ehrenreich Film Editing Kyle Stafford Film Editing Kevin Riepl Original Music Gene Vassilaros Casting