Amitabh Bachchan is one of the most popular and great actor in Bollywood industry at present day. He made his debut in bollywood in 70's. Though, he did not gain much popularity from starting few films. But later, he became famous through his hard work in acting as lead role in many blockbuster films like Deewar, Jangir, Sholay etc. He gave many blockbuster films and then his performance was appreciated by the audience. I think that he has a perfect personality and acting skills to become a great actor. He acts really well. He has also hosted a popular program called Kaun Banega Crorepati which was a huge hit among the audience. And then he again came in many bollywood movies in different characters like father, big brother and many more. It is very tough for an actor to work in movies for more than four decades. And still, he has a mass popularity in India and abroad also. Really, he is a great actor and a decent human being and of very good characrer.