Here is a list of the top 20 best South Indian movie actors:

1. Rajinikanth (Tamil) - Whiz of Tamil cinema, known for his famous fashion and acting prowess.

2. Kamal Haasan (Tamil) - Flexible performing artist, executive, and maker, known for his basically acclaimed films.

3. Chiranjeevi (Telugu) - Megastar of Telugu cinema, known for his lively exhibitions and charitable work.

4. Mohanlal (Malayalam) - Amazing performing artist, known for his extraordinary run and notorious performances.

5. Ajith Kumar (Tamil) - Prevalent on-screen character, known for his smart exhibitions and versatility.

6. Vijay (Tamil) - Driving performing artist, known for his charismatic exhibitions and enormous fan following.

7. Prabhas (Telugu) - Pan-India star, known for his notorious execution in Baahubali.

8. Mahesh Babu (Telugu) - Genius of Telugu cinema, known for his charming exhibitions and versatility.

9. Suriya (Tamil) - Acclaimed on-screen character, known for his seriously exhibitions and social commitment.

10. Allu Arjun (Telugu) - In vogue performing artist, known for his lively exhibitions and enormous fan following.

11. Jr. NTR (Telugu) - Prevalent on-screen character, known for his capable exhibitions and versatility.

12. Dhanush (Tamil) - Flexible performing artist, known for his fundamentally acclaimed exhibitions and singing talent.

13. Vikram (Tamil) - Acclaimed on-screen character, known for his strongly exhibitions and devotion to his craft.

14. Mammootty (Malayalam) - Amazing performing artist, known for his extraordinary extend and notorious performances.

15. Nagarjuna (Telugu) - Flexible performing artist, known for his charming exhibitions and generation ventures.

16. Sivakarthikeyan (Tamil) - Rising star, known for his engaging exhibitions and versatility.

17. Dulquer Salmaan (Malayalam) - Prevalent on-screen character, known for his charming exhibitions and versatility.

18. Nani (Telugu) - Acclaimed on-screen character, known for his normal exhibitions and versatility.

19. Karthi (Tamil) - Flexible performing artist, known for his seriously exhibitions and commitment to his craft.

20. Ram Charan (Telugu) - Well known performing actor, known for his lively exhibitions and gigantic fan taking after.