Developer Bioware has revealed some of the names of actors that will be voicing the characters in the upcoming Mass Effect 2.

Those listed include Martin Sheen, Seth Green, Carrie-Anne Moss, Tricia Helfer and Michael Hogan (Battlestar Galactica,  Michael Dorn (Star Trek) and Adam Baldwin.

“Emotionally engaging narrative is a key design pillar for BioWare, and the top-notch voice talent in Mass Effect 2 helps drive this goal,” said BioWare co-founder Ray Muzyka in a press statement. “Credible, powerful personalities are vital to delivering a compelling story experience in BioWare’s games.”

The game is set for release on Xbox 360 and PC on January 29.