Gaffes

Bird states that he made about 9 Pounds a week. This is about 470 Pounds per annum. When his manager is trying to get him to stay he first offers to raise his salary to 400 Pounds p.a.

the patient's x-ray is used to indicate something "between the stomach and the small intestine," although a shot of the pelvis is actually being shown and the doctor indicates something near the coccyx.

The rich guests at the hotel, and even the servants, who are usually more snobbish than their employers, readily accept Alec Guinness as upper class. Americans (and people in other countries) may see nothing odd about this, but in England someone from Guinness's class, with the accent of that class, would be immediately recognized as such the moment he opened his mouth--after all, what is Pygmalion/My Fair Lady about?