Kaka Radhakrishnan (c. 1925 – 14 June 2012) was an Indian film actor who acted in Tamil language films from the 1940s onwards. He is also notable for having introduced his childhood friend, Sivaji Ganesan, into films.
Idhaya Thirudan
Kadhalukku Mariyaadai
(Major Thangaraj)
Thevar Magan
(Chinna Thevar)
Harichandra
Ulagam Sirikirathu
Vietnam Colony
Mr. Madras
(Arunachalam)
Manohara
Rojavanam
Unakkaga Ellam Unakkaga
Middle Class Madhavan
(Manimaran's grandfather)
Unnai Thedi
Manadhai Thirudivittai
(Shruthi's Grandfather)
Dasavatharam
Iruvar
(Kasi)
Nallathambi
Pavithra
(Subbu's grandfather)
Matharkula Manikkam
Poovellam Kettuppar
(Rangasamy)
May Madham
(Sadha Sivam)
Parijatham
(Sridhama's brother)
Gunaa
Seenu
Vasool Raja MBBS
(Margabandhu's father)