What was the best known name of the voice in an American animated superhero film produced by Warner Bros in 2017?
Matt Ryan (actor) Matt Ryan (born Matthew Darren Evans; 11 April 1981) is a Welsh actor from Swansea, best known as Edward Kenway in the Ubisoft video game "" and John Constantine in the NBC series "Constantine" and The CW series "Arrow", as well as voicing the character in the 2017 film "Justice League Dark".
Zach Callison Zachary Dean "Zach" Callison (born October 23, 1997) is an American actor, voice actor and singer. He is known voicing the titular character of "Steven Universe". He is also noted for his roles in Disney shows including Prince James from "Sofia the First",  Billy from "I'm in the Band" and additional voices from "Kinect Disneyland Adventures". He is also noted for King Tut in "Mr. Peabody & Sherman",  Young Jiro in "The Wind Rises",  and Billy Batson in the direct-to-video movies "" (2010) and "" (2014). 