Who vishwakarma caste in Tamil actors?

First Tamil Super Star MK Thyagaraja Bhagavadhar, Santhanam, R Parthiban, SV Subbiah, Brahmanandham, Ajay Devgan, Kadhal Bharath, Actress Sukanya, MN Rajam
Harbhajan Singh, Pragyan Ojha, Current Singapore President Sellappan Ramanathan