Question: How many films she acted who was in lead role of Siva?

Context articles: Krishnam Raju filmography
Santhanam (actor)
Shobana
Santhanam filmography
Shalini Kumar
Rajesh (Kannada actor)
Hsiao Ho (actor)
Ravichandran (Tamil actor)
Siva (1989 Tamil film)
Siva Manasula Sakthi

Krishnam Raju is an Indian actor who acted more than 190 films.
 Krishnam Raju entered Tollywood in 1966 with the film "Chilaka Gorinka" directed by Kotayya Pratyagatma alongside Krishna Kumari.
 The film won Nandi Award for Best Feature Film - Silver for that year.
 Later he acted in the mythological film "Shri Krishnavataram" which also starsN. T. Rama Rao.
 He acted in many films with the established actos N. T. Rama Rao and Akkineni Nageswara Rao.
 He also acted in many films with the established actresses Krishna Kumari, Rajasulochana, Jamuna and Kanchana.
N Santhanam is an Indian film actor and comedian who has predominantly appeared in Tamil films.
 Beginning his career as a comedian on television, he rose to fame through his performances in STAR Vijay's "Lollu Sabha" enacting the lead role in spoofs of Tamil films.
 He was subsequently given a chance by actor Silambarasan to feature in a supporting role in "Manmadhan" (2004) and then was signed on to appear in a host of films, notably winning good reviews for his work in "Sachien" (2005) and "Polladhavan" (2007).
 He appeared in a one-off leading role in Shankar's production "Arai En 305-il Kadavul" (2008) and subsequently became a staple feature as a comedian in successful Tamil films during the period, with his market popularity helping stuck films find distributors.
 Santhanam has also had embarked on collaborations with directors including gaining positive reviews for his work in M Rajesh's comic trilogy of "Siva Manasula Sakthi" (2009), "Boss Engira Bhaskaran" (2010) and "Oru Kal Oru Kannadi" (2012), winning the Vijay Award for Best Comedian for each one.
 He has also repeatedly collaborated in the films of A L Vijay, Siva and Sundar C as well as in films featuring Silambarasan, Arya and Udhayanidhi Stalin.
Padma Shri Shobana (born Shobana Chandrakumar Pillai) is an Indian film actress and Bharata Natyam dancer from Thiruvananthapuram, Kerala.
 She has acted in more than 200 films in several languages including Malayalam, Telugu, Tamil, Hindi, Kannada and English.
The following is the filmography of Santhanam, an Indian film actor who has predominantly appeared in Tamil films as a comedian.
 He began his career on television shows including Vijay TV's "Lollu Sabha" enacting the lead role in spoofs of Tamil films.
 He was subsequently given a chance by actor Silambarasan in a supporting role in "Manmadhan" (2004) and then was signed on to appear in films including "Sachien" (2005) and "Polladhavan" (2007).
 He appeared in a one-off leading role in Shankar's production "Arai En 305-il Kadavul" (2008) and subsequently became a staple feature as a comedian in successful Tamil films during the period, with his market popularity helping stuck films find distributors.
 Santhanam has also had embarked on collaborations with directors including M. Rajesh's comic trilogy of "Siva Manasula Sakthi" (2009), "Boss Engira Bhaskaran" (2010) and "Oru Kal Oru Kannadi" (2012).
Shalini Ajith Kumar, also known simply as Shalini, is an Indian film actress who debuted, at the age of 3, as a child artist in the Malayalam film "Ente Mamattikkuttiyammakku" which was produced by Navodaya Studio.
 In Telugu film Jagadeka Veerudu Atiloka Sundari (1990) she acted along with her sister Shamili as an orphan child taken care by Megastar Chiranjeevi.
 She continued to appear in many films as a child actor, credited as Baby Shalini.
 After a break of several years, she returned to the industry by appearing in her first lead role in "Aniyathi Pravu" which went on to become a blockbuster.
 She later appeared in highly successful films in Malayalam and Tamil such as "Kadhalukku Mariyadhai" (1997), "Niram" (1999), "Amarkalam" (1999) and "Alaipayuthey" (2000), "Piriyadha Varam Vendum" (2001).
 Shalini is married to Tamil film actor Ajith Kumar.
She received Tamil Nadu State Film Special Award for Best Actress for her role in "Alaipayuthey".
Vidyasagar (born 15 April 1935), known by his stage name Rajesh, is an Indian actor who appears in Kannada films.
 Known as 'Kala Thapswi', Rajesh is an ardent fan of literature.
 Vidyasagar is the original name of Rajesh.
 He appeared in many films as the lead in the late 1960s and early 1970s, but later on started appearing in character roles.
 He is the father of film actress Aasha Rani who had acted in the film "Rathasapthami" with Shivrajkumar and the father in law of popular Kannada and Tamil actor Arjun Sarja.
 He has acted in over 150 films.
 "Kalathapasvi Rajesh Athmakathe" is the biography of Rajesh.
 In 2014, he was awarded the Dr. Rajkumar Cultural Endowment Award by the Kannada Sahitya Parishat.
Hsiao Ho, (Hsiao Hou) (; Cantonese: Siu Hau, born 1 January 1958 (age 58) in Meixian District, Guangdong, China) is a Hong Kong martial arts film actor, stunt performer and action choreographer.
 A Hakka, he has acted in many films directed by Lau Kar-leung, including "Mad Monkey Kung Fu" and Legendary Weapons of China.
 In 1985 he portrayed legendary kung fu warrior Fong Sai-Yuk in the Lau directed action-comedy, "Disciples of the 36th Chamber" and also took a lead role in Fake Ghost Catchers, directed by Lau Kar Wing.
 Fake Ghost Catchers is marketed by Celestial Pictures as being made two years before Ghostbusters (inferring that the idea for Ghostbusters may have come from the movie).
 Hou is also known for portraying the "disfigured swordsman" and doubling complicated action scenes in 1993's "Iron Monkey".
 He was also the action director for the movie Shaolin Avengers (1994).
 In 1982 he was nominated for Best Action Choreography for the movie Legendary Weapons of China (for which he was action director) at the Hong Kong Film Awards alongside Lau Kar Leung and Ching Chu who also provided choreography for the film.
Ravichandran (died 25 July 2011) was a Malaysian Indian actor who played lead hero roles in Tamil films from 1964–1979.
 He has also acted in supporting roles from 1986, and directed a few films.
 He was given the title of Kalaingnar Thilagham in many of the on-screen credits of films starring him in the lead role.
 He was, also, called "Puratchi Kalaignar" (Refer: Anandha Bairavi Tamil Movie Title Scene).
 Before entering cine-field, during his studies in Trichy, he has acted in two dramas, namely, "AanaiyidungalAnna" and "Udhaya Suriyan".
 After entering cine-field, he has acted in two dramas, namely, "Mapplley Yen Magalaik Kadhali" and "That Man from Poonthamallee".
 In the drama "That man from Poonthamallee", he performed in double role and Thirumuruga Kirupanandha Variyar, who presided over the drama in Vellore, has appreciated and awarded a title "Nadaga Sigamani".
 He has, also, acted in a TV Serial namely., GEE boom ba in 1986.
 During his tenure of acting, his fans, journalists, movie-directors/producers have given many titles, viz., Kalai Ulaga Ilavarasar, Kalai Nilavu, Romantic Hero, Velli Vizha kathanayagan, Vannap Pada Nayagan, Evergreen Hero, Chennai MGR, Kalaignar Thilagam, Style King, Stunt Man an, Bhagdath Perazhagan, Kalai chelvan, Pudhumai Thilagam etc.
 He was much affectionate with his fans.
Siva is a 1989 Tamil film directed by Ameerjan.
 The film features Rajinikanth, Raghuvaran, Sowcar Janaki and Shobana in lead roles.
 The film is a remake of the 1977 film "Khoon Pasina", which starred Amitabh Bachchan.
 The film was dubbed in Telugu as "Tiger Shiva" in spite of N.T. Rama Rao's 1977 Telugu version "Tiger," with Rajinikanth also starring in that film but playing Raghuvaran's role.
Siva Manasula Sakthi (English: "Sakthi is in Siva's heart" ) is a 2009 Indian Tamil romantic comedy film written and directed by debutante M. Rajesh, a former assistant of director S. A. Chandrasekhar.
 It stars Jiiva and newcomer Anuya Bhagvath, a student of Pune Film Institute, in the lead roles, with Santhanam, Urvashi and Sathyan appearing in supporting and Arya appearing in a cameo role.
 Released on 13 February 2009, becoming a commercially successful venture at the box office.
 The film met with mixed reviews upon release.
 The film was later remade in Telugu as "Shiva Manasulo Shruti" with Mahesh Babu's brother-in-law Sudheer Babu and Regina Cassandra and released in February 2012.