A famous Kannada actor known for his versatile roles:

Dr. Rajkumar
Kamal Haasan
Mohanlal
Mammootty

The correct answer is A) Dr. Rajkumar.

Dr. Rajkumar was a Kannada actor, singer, producer, and director who was known for his versatility and his ability to play a wide range of roles. He is considered to be one of the greatest actors in Indian cinema.

Dr. Rajkumar was born in Puttur, Karnataka, India, on April 14, 1929. He made his acting debut in the 1952 film Bedara Kannappa. He went on to star in over 200 films, including some of the most popular Kannada films of all time, such as Naagarahaavu (1954), Bangaarada Manushya (1972), and Kasturi Nivasa (1978).

Dr. Rajkumar was also a successful singer and producer. He released several albums of Kannada songs and produced several Kannada films.

Dr. Rajkumar was a popular and respected figure in Kannada cinema. He was known for his humility and his commitment to his craft. He was also a philanthropist who donated generously to various charities.

Dr. Rajkumar was kidnapped in 2000 by a group of Naxalites. He was released after 108 days in captivity. The kidnapping had a profound impact on Dr. Rajkumar and his family.

Dr. Rajkumar died on April 12, 2006, at the age of 77. He was survived by his wife, four children, and several grandchildren.

Dr. Rajkumar was a true legend of Kannada cinema. He will be remembered for his versatility, his talent, and his commitment to his craft.

The other options are also famous Kannada actors, but they are not as versatile as Dr. Rajkumar.

Kamal Haasan is a Tamil actor, director, producer, screenwriter, playback singer, lyricist, and choreographer. He is known for his versatility and his ability to play a wide range of roles. He is considered to be one of the greatest actors in Indian cinema.

Mohanlal is a Malayalam actor, director, producer, screenwriter, playback singer, and television presenter. He is known for his versatility and his ability to play a wide range of roles. He is considered to be one of the greatest actors in Indian cinema.

Mammootty is a Malayalam actor, director, producer, screenwriter, playback singer, and television presenter. He is known for his versatility and his ability to play a wide range of roles. He is considered to be one of the greatest actors in Indian cinema.