9 Bollywood actors who played villains in South films 

Sanjay Dutt essayed the role of Adheera (villain) in Yash's KGF 2

Sonu Sood has essayed the role of villain in several south film one of his notable work is Adisesha in the Kichcha Sudeep starrer Vishnuvardhana

Ashish Vidyarthi has played villanious roles in many South films. Some of his notable works include the Telugu film Athanokkade, Telugu film Ala Modalaindi, and the Kannada film Shivajinagara

Neil Nitin Mukesh essayed the role of Cedric Peter Von, the primary villain in Kaththi

Vivek Oberoi essayed the role of villain in Ram Charan's Vinaya Vidheya Rama and in Malayalam film Lucifer.

Jackie Shroff has essayed the role of a villain in Tamil film Aaranya Kaandam. He also played the villain in Pawan Kalyan's Telugu film Panjaa (2011) and Vijay’s Bigil.

Mukesh Rishi has essayed the role of a villain in South films. Some of his roles include Veera Shankara Reddy in Indra, Maisamma in Bunny, Kuppu Swamy Naidu in Narasimha Naidu, and Damodar Reddy in Jalsa

Murali Sharma essayed the role of villain in Telugu film Athidhi

Tabu essayed the role of ACP Gayathri Varma, who was the villain in the movie Snegithiye