Worked for many years on the sets of his father Rakesh Roshan in various functions, including sweeping the floor and serving tea to the stars, to learn the business from scratch.. Determined to prove himself as an actor, he enrolled in Kishore Namit Kapoor's acting classes without informing his parents .
In 2000, Roshan made his film debut as the leading man in the film Kaho Naa... Pyaar Hai opposite another debutante actress Amisha Patel. The film, which was directed by his father and saw him playing a double role, proved to be very successful at the box office, becoming the highest grossing film of 2000 and winner of the Filmfare Best Movie Award. Roshan's performance was well-received, and the film made him an overnight star.He eventually received both the Filmfare Best Male Debut Award and the Filmfare Best Actor Award for the role.
On January 14 2000 Hrithik Roshan entered a cinema to attend the premiere of his first film Kaho Naa... Pyaar Hai (2000). When he came in some people recognised him but not much happened. When the film was over there was a stampede and mass hysteria broke out. He got mobbed. The police had to come and escort him out of the cinema and away from a crowd of thousands. It was the first day of Hrithikmania in India, which held the country in its grip for many months to come.
His performances in Mission Kashmir and
Fida were specially appreciated . Karan Johar's melodramatic Kabhi
Khushi Kabhie Gham, which did extremely well at the box office, becoming
the second-highest grossing film of 2001 and the biggest hit
overseas.Roshan's performance was well received and his performance
earned him a nomination for Best Supporting Actor at various award
In 2003, the science-fiction film Koi... Mil Gaya, which saw him playing a mentally disabled young man. The film was the highest grosser of the year and won him many awards, including his second Filmfare Best Actor Award .
The superhero film Krrish, a sequel to his 2003 film Koi... Mil Gaya was released in June 2006. The film was a major box office success and became the second highest grosser of 2006. His performance as a superhero was praised, earning him many Best Actor awards at various award ceremonies, including Star Screen and the International Indian Film Academy.
His next film that year was Dhoom 2, a
sequel to the 2004 Dhoom. Featured opposite Aishwarya Rai Bachchan,
Roshan's performance in the movie not only earned him widespread
critical acclaim, but also his third Filmfare Best Actor Award. The film
went on to become the highest grossing film of 2006, as well as one of
the most successful films of Bollywood.
In 2008, Roshan featured in Ashutosh Gowariker's Jodhaa Akbar opposite Aishwarya Rai Bachchan. He played the historical role of Akbar the Great. The movie did very good business, both in India and abroad. His performance in the movie was widely appreciated by critics,earning him his fourth Filmfare Best Actor Award as well as his first international award for Best Actor at the Golden Minbar International Film Festival in Kazan, Russia.
He completed filming for Anurag Basu's Kites in 2009, along with Mexican actress Bárbara Mori and Kangna Ranaut; the film was released on May 21, 2010.
He is currently finishing up work on director Sanjay Leela Bhansali's film Guzaarish opposite Aishwarya Rai.