The thing that got me: In the transporter room Winston sounds like he's talking in an intentionally higher voice. A far cry from Ted Baxter.
Rather, I think Ted Baxter's voice was intentionally lowered from Knight's normal delivery. His Baxter voice was a variation on his announcer voice, but more pompous. His Winston voice was probably closer to how he normally spoke.
Hey at least I always knew Balok was Ted Cassidy despite what the Star Trek Compendium said.
The fake Balok was Ted Cassidy. The real one was dubbed by Vic Perrin, just as the Compendium