Camilla: You, sir, should unmask.
Stranger: Indeed?
Cassilda: Indeed it's time. We all have laid aside disguise but you.
Stranger: I wear no mask.
Camilla: (Terrified, aside to Cassilda.) No mask? No mask!
Alternately:
Tillinghast: Oh, it's so beautiful... So... beautiful!
Pretorius: Now you can truly see.
Katherine: What have you done to him?
Pretorius: I only awakened his sleeping pineal gland. It did the rest itself.
Katherine: No!
Is that the Fez-wearer from "They're Made of Meat"?
How on earth do you remember a twelve-year-old post for a previously link?
"I have extensive files."