During the "Flower Duet", Sarah spills what looks like red wine on her blouse, but she was sipping from a glass that contained an amber-colored liquid. (It was sherry.)
When Miriam offers the drink to Sarah, Sarah is standing in front of a bust depicting Miriam. The camera pans between the two a total of three times. The third time, when Sarah takes a sip of her drink, the bust is not there.
When Tom shows up at Miriam's looking for Sarah, he introduces himself over the intercom as Tom Haver, but once inside Miriam calls him Dr. Haver.
When Miriam mentions the piano piece she's playing (Lakmé) to Sarah, she mentions it's by Lilliam; it's actually by Léo Delibes.
During the quick cuts when John attacks Alice, blood splashes on the sheet music. A few cuts later, the music stand is kicked to the floor, and the open pages are now blood-free. The unstained pages are seen again at the end of the sequence (in a fade effect that reinstates their blood stains).
This is not a Goof but is intentional, as indicated by the "fade effect". One might as well say that living several hundred (or thousand) years is a Goof.
This is not a Goof but is intentional, as indicated by the "fade effect". One might as well say that living several hundred (or thousand) years is a Goof.
In the climactic sequence, Miriam takes a swipe at one of the cadavers, knocking its jaw off. The impact causes it to wobble, making it obvious that it is a rigid, lightweight prop.
When Sarah is on the TV program discussing the condition Progeria, she pronounces it "Pra-j-eriah'. The correct pronunciation is "Pro-geria."