Goofs:
Errors in geography: Although the film takes place Mostly in London, telephones consistently ring one ring at a time, whereas British phones have always used a double ring. (more)

Trivia:
The title character blinks her eyes only once in the course of the film, in a medium shot during Lady Hammond's party. (more)

Quotes:
[on the phone]
Dr. Garth: Yes? Dr.Garth speaking. Well who is this? What do you want?
[in a false German accent]
Janet Blake: Please come right away.This is the zoo speaking.
Dr. Garth: The what? The zoo?
Janet Blake: Ja! One of our elephants is seeing pink men!
Dr. Garth: All right.Now listen to me,Janet,this has gone far enough! Well,there's nothing funny about it!I'm in the midst of a very serious...
[Janet hangs up and laughs]
Dr. Garth: HELLO?
[hangs up]
(more)