Dr. Rajkumar was born in 1929 in Gajanur and brought up in a poor family. He only studied up to 3rd standard before he dropped out of school. He wanted to follow in the footsteps of his father, a traveling actor who performed in various villages. He joined the Gubbi Veeranna drama company to play drama. There he met people like T.R. Narasimharaju, Nandamuri Balakrishna and G.V. Iyer, who co-starred with him in his first film, Bedara Kannappa (1954). His three sons--Shivarajkumar, Raghavendra Rajkumar and Puneeth Rajkumar--are all Kannada film actors. His other films have included Havina Hede (1981), Dashavtara (1960), Yarivanu? (1984), Kamana Billu (1983) and he had the lead role in Odahuttidavaru (1969). His last film was Shabdavedi (2000). After this movie he declared that he was about to act in another film, "Bhakta Ambareesha", but he suffered a mild heart attack, and decided to retire from acting altogether.
Rajkumar is known for Methagu 2 (2022).
Rajkumar is an actor and producer, known for Drushyam (2014), Aakrosam (1982) and Thathamme Poocha Poocha (1984).
Rajkumar is known for Jallikattu (2019).
Rajkumar is known for Vikram Vedha (2017), 96 (2018) and Jigarthanda (2014).
Rajkumar is known for Viruman (2022).
Rajkumar is known for Agwah (2023).
Rajkumar is known for Thirumbipaar (2024).
Rajkumar Ahirwar is known for State of Siege: Temple Attack (2021) and Apharan (2018).
Rajkumar Bhagawanth is known for Garuda Purana (2023).