User blog comment:Xaero Dumort/Just announced: Mass Effect 3 : Retaliation/@comment-1679409-20121004162902/@comment-5607673-20121004185915

'''I don't see them bringing the voice actor back just for a trailer for a free DLC. I'm wondering if they killed two birds with one stone and got him to do work for Omega.'''

Didn't Keith Szarabajka (Harbinger's voice actor) provide additional voices for ME3 already?