Goofs:
Crew or equipment visible: When Lila and Sam are walking from their motel room to the office, the reflection of a crew member can be seen in the window between rooms 1 and 2. (more)

Trivia:
When the cast and crew began work on the first day they had to raise their right hands and promise not to divulge one word of the story. Hitchcock also withheld the ending part of the script from his cast until he needed to shoot it. (more)

Filming Locations:
4270 Lankershim Boulevard, North Hollywood, Los Angeles, California, USA (more)

Quotes:
[first lines]
Sam Loomis: You never did eat your lunch, did you?
Marion Crane: I better get back to the office. These extended lunch hours give my boss excess acid.
Sam Loomis: Why don't you call your boss and tell him you're taking the rest of the afternoon off? Its Friday, anyway - and hot.
Marion Crane: What do I do with my free afternoon? Walk you to the airport?
(more)

Awards:
Nominated for 4 Oscars. Another 5 wins & 3 nominations (more)