Here's another clip.
Maybe he didn't have enough time off from Supernatural to work on this? Plus, these DC Showcase shorts usually only have 4-6 voice actors, and if Jensen was going to be in it, they would've said so.So, wait, Vincent Martella is playing Red Hood in that sequence as well? I mean, no offense to him, but people are probably going to be disappointed that Jensen Ackle's isn't Jason as Red Hood if he actually gets dialogue .