Cort's voice-over roles include Edgar the computer in the movie "Electric Dreams;" Toyman, a Superman villain, over the course of various DCAU series including ', "Static Shock", and "Justice League Unlimited;" and Josiah Wormwood in an episode of the earlier DCAU production '. He can also be heard as The King in the English-language version of the feature film"The Little Prince" (2015), which premiered out of competition at the 2015 Cannes Film Festival and won the César Award for Best Animated Film in February 2016. It was made available to U.S. audiences through Netflix in 2016.