in one of the New tv spots we heard Brains Speaking. But so far we dont know who vocies him, but in yoru opinion WHo may be his voice actor?
At the end when John sings the robots in disguise thing, listen to his voice. Sounds like brains to me.
This, or James Avery. Because they still haven't said if James Avery is voicing anyone, so he may voice Brains or Leadfoot.