Who can apply ?
The O category is for individuals with extraordinary ability in the sciences, art, education, business, or athletics, demonstrated by sustained national or international acclaim and certain aliens accompanying or assisting the O visa applicant.
The P-1 visa covers atheletes and entertainers who don't qualify for O category. The P-2 status is for participation in an international cultural exchange and P-3 is for a culturally unique performance.

Documents required:
Petition:

Form I-129 and O/P/Q/R Supplement

Written employment contract or written summary of an oral contract

College and university diplomas

Affidavit from Employer explaining the work the applicant is to perform.

Consultation report.

Documentation establishing why you fit into the O, P, or R category.

Application form OF 156

A passport valid for travel to the United States and with a validity date at least six months beyond the applicant's intended period of stay in the United States. If more than one person is included in the passport, each person desiring a visa must make an application;

Two photographs 1 and 1/2 inches square (37x37 mm) for each applicant, showing full face, without head covering, against a light background.

Family members
With the exception of "Q-1 Cultural Exchange Visitors," the spouse and unmarried, minor children of an applicant under any of the above classifications may also be classified as nonimmigrant in order to accompany or join the principal applicant. A person who has received a visa as the spouse or child of a temporary worker may not accept employment in the United States. The principal applicant must be able to show that he or she will be able to support his or her family in the United States.

Application form download:

Form Number

Title

Filing Fee

Where to File

Visa Package Visa package contains all forms, for this type of Visa. see page Click here for contents and details.

I129 Petition for A Nonimmigrant Worker
INS $110 base fee, plus $500 additional for H1B petitions. Service Center

OF156 in English Visitor Visa Application
U.S. Dept. of State $ 45 consular post

OF156 in Spanish Visitor Visa Application
U.S. Dept. of State $ 45 consular post

OF156 in German Visitor Visa Application
U.S. Dept. of State $ 45 consular post

OF156 in French Visitor Visa Application
U.S. Dept. of State $ 45 consular post

OF156 for Canada Visitor Visa Application
U.S. Dept. of State $ 45 consular post

OF156 in Dutch Visitor Visa Application
U.S. Dept. of State $ 45 consular post

OF156 in Korean Visitor Visa Application
U.S. Dept. of State $ 45 consular post

OF156 in Thai Visitor Visa Application
U.S. Dept. of State $ 45 consular post

OF156 in Indonesian Visitor Visa Application
U.S. Dept. of State $ 45 consular post

Information provided without warranty of any kind and does not cater for legal consulting purposes. Please check the State Department's website for governmental information.