In the upcoming episode, "The Child":
The episode will also see the introduction of the Star Trek: The Animated Series character Arex, who is being digitally rendered by Tobias Richter. Arex will be voiced by Chris Doohan (stepping in for his dad James Doohan who originally voiced Arex for TAS).
Here's a test shot of him, for those too lazy to click the link:
I can't wait!