Total Recall (1990)
Rosemary Dunsmore: Dr. Lull
Dr. Lull : [after Quaid goes crazy at Rekall] Listen to me, he's been going on and on about Mars. He's really been there.
Bob McClane : Use your head, you dumb bitch! He's just acting out the secret agent portion of his Ego Trip.
Dr. Lull : I'm afraid that's not possible.
Bob McClane : Why not?
Dr. Lull : Because we haven't implanted it yet!
Dr. Lull : I've been trying to tell you, someone has erased his memory.