Freddie Jason Bangru of Bangla. Sanjeev Kumar was India's greatest actor but was from Gujrat (Hari Bhai) not from Kalakutta.
Rather Kishor Kumar was a great actor also. He always used to call himself from Khandwa, MP, not from WB. Nothing against Bengalis for their Heritage, just wanted to correct here. I am not sure why did you not mention Gurudev Tagore.