Sir Rhosis wrote:
Although I had heard that for years, most sources (Memory Alpha, Wikipedia) now agree that it was Edmiston, not Perrin who dubbed the "real" Balok. Before his death Edmiston asserted same.
Just went back and listened to the V-O for Clint Howard's Balok and I am convinced. The characteristics of that voice are much more like the Amok Time
& Tase of Armageddon
voice-overs. I guess it is Edmiston.