Find the Main cast here in the video below.. 

https://youtu.be/iFG6VSx7geY

Introducing them one by one

Prabhas as Raghunandhu Narayanudu & Anushka as Parthavi Ambujakshi

Jayaprakash as Hariharan & Lakshmy Ramakrishnan as Lakshmi Prabhavathy( Parthavi's Parents)

Saranya Ponvannan as Durga Ramanarayanan (Raghu's mother)

Vijay Sethupathy as Rishi Parvatheysh & Remya as Shantha Neelakshi (Raghu's sister &Brother in law)

Madhavan as Bhargava Ranganatha & Simran as Mahika Rajeswari (Raghu's brother & sister in law)

Priya as Vasudhara Padmakshi (Parthavi's sister)

Nitya as Bhoomi Raageswari & Suriya as Prithvi Ram(Parthavi's  cousin and Cousin's husband)

Prakash Raj as Shivaprasad and Aishwarya as Shakthi Priyaranjani (Parthavi's  Mama Atha & Bhoomi's parents)

OTHERS

SS Rajamouli as Navaneetha Krishnudu & Rama Rajamouli as Alamelu Manga (Parthavi's Mama Atha)

Nassar as Dharmaraju & Janaki Sabesh as Gunaamba ( Raghu's Peddanana Peddamma)

Bhairava as Sainath & Karthikeya as Srinath (Krishnudu and Alamelu's sons & Parthavi's cousins)

Allu Arjun as Matheysh and Sneha Reddy as Harshita (Parthavi's friends)

AND WITH THEM..

Nagineedu as Sundaramudu (Parthavi's Thatha

Rana as Vedmohan Lohitaksha (A very special character) :P

Genelia as Sathya Kanitha (another Special Character) ;)