3 Idiots is a 2009 Indian comedy-drama film directed by Rajkumar Hirani, with a screenplay by Abhijat Joshi, and produced by Vidhu Vinod Chopra. It was loosely adapted from the novel Five Point Someone by Chetan Bhagat. 3 Idiots stars Aamir Khan, Kareena Kapoor, R. Madhavan, Sharman Joshi, Omi Vaidya, Parikshit Sahni and Boman Irani.

Upon release, the film broke all opening box office records in India. It was the highest-grossing film in its opening weekend in India and has the highest opening day collections for a Bollywood film. It also has the record for highest net collections in the first week for a Bollywood film. Within 10 days of its release, the film crossed the 1 billion mark in India and became the first film of 2009 to do so. The film also created a new box office record for a release in the last quarter of a year (October to December), breaking the previous record set by Ghajini. It is also the highest-grossing film to be released in the second half of the year (July to December), breaking the previous record also held by Ghajini.

Aamir Hussain Khan (pronounced [ˈaːmɪr ˈxaːn]) (born 14 March 1965) is an Indian film actor, director and producer who has established himself as one of the leading actors of Hindi cinema.

Starting his career as a child actor in his uncle Nasir Hussain's film Yaadon Ki Baaraat (1973), Khan began his professional career eleven years later with Holi (1984) and had his first commercial success with Qayamat Se Qayamat Tak (1988). He received his first National Film Award as a Special Jury Award for his roles in the films Qayamat Se Qayamat Tak (1988) and Raakh (1989). After eight previous nominations during the 1980s and 1990s, Khan received his first Filmfare Award for Best Actor for his performance in the major grosser Raja Hindustani (1996) and later earned his second Best Actor award for his performance in the Academy Award-nominated Lagaan, which also marked the debut of his own production company.

Following a four-year break from acting, Khan made his comeback playing the title role in the historical Mangal Pandey: The Rising (2005), and later won a Filmfare Critics Award for Best Actor for his role in Rang De Basanti (2006). The following year, he made his directorial debut with Taare Zameen Par, for which he received a Filmfare Award for Best Director. This was followed by Ghajini (2008), which became the highest grossing film of that year, and 3 Idiots (2009), which became the highest-grossing Bollywood film of all-time, unadjusted for inflation. The Government of India honoured him with the Padma Shri in 2003 and the Padma Bhushan in 2010 for his contributions towards the arts.

Mahesh Babu (born Mahesh Babu Ghattamaneni on 9 August 1975) is an Indian film actor best known for his work in Telugu cinema. Born to actor Krishna, Mahesh Babu faced the camera at the age of four as a child artist in 1979's Needa. His first leading role was in the film Rajakumarudu, which was released in August 1999.

After playing the role of a young Kabaddi player in the 2003 blockbuster film Okkadu, Mahesh continued in this vein, gaining mass appeal and appearing in many successful films such as Murari (2001), Athadu (2005), Pokiri (2006), Dookudu (2011) and Business Man (2012). These accomplishments, have established him as one of the most sought after actors in Telugu Cinema. He was listed at 5th position among Times 50 Most Desirable Men for the year 2011 and at 12th place the year before.

Mahesh Babu has worked in nine films as a child artist and in seventeen films as a lead actor till date. He has won six Andhra Pradesh state Nandi Awards, two Filmfare Best Telugu Actor Awards and two CineMAA Awards. In addition to the films, he also endorses several brands such as Thums Up, Navratna Oil, Univercell, Amrutanjan,Provogue,Idea, Vivel, Jos Alukkas and Santoor Soap in Andhra Pradesh.