Kamal Haasan Wishes Amitabh Bachchan On His 84th Birthday. Kamal Haasan wished Amitabh Bachchan on his 84th birthday on October 11, 2026, praising his iconic baritone, dramatic pauses, and signature raised eyebrow. He called Big B 'a star always in a league of his own' and addressed him as 'Angry Young Man'. The two are set to reunite in Kalki 2.