Yes they fall under copyright protection as original literary works.
Understand, however, that pro-active action must be taken by any writer interested in protecting a script. For example, you can register your script with:
Both offer digital registration options. Their Web sites are listed, below.
Once registered, best practices dictate that the copyright notice be included on the first page of the script.
Movie scripts are protected by copyright law. You can purchase scripts from Amazon.com
The 1952 movie is protected by copyright, and will likely be protected through 2047.
Yes. All of the photos taken in the movie are protected by copyright.
Movies are protected by copyright. Inventions are protected by patents.
If you are taking a clip from the movie, the movie itself is protected by copyright, but depending on your use, it may be covered by 17USC107. If you are using a photograph of it, the photograph would be protected by copyright, but your use may be covered by 17USC107.
Ideas cannot be protected by copyright; only the expression of those ideas. If you write a script, it is automatically protected; registration is not required.
Yes. Haircuts are not copyright protected.
Yes, "It's a Wonderful Life" is protected under copyright law. The film was first released in 1946, so it is still within the copyright protection period.
The title itself is not protected (indeed, cannot be protected), so neither is required.
You can find the full script of "Mrs. Doubtfire" on various script hosting websites, such as IMSDb (Internet Movie Script Database) or Simply Scripts. Additionally, it may be available on fan sites dedicated to movie scripts. However, ensure that you are accessing these scripts legally and respecting copyright laws.
Unless specified otherwise, yes.
There are a number of works by this title; with the exception of the 1922 Lon Cheney movie, the themes for all are still protected by copyright.