Biodata
   
 Popularly known as "Kathal IIavarasan", he remains the hot favourite among the youngsters and is the heart throb of teeny boppers. Son of film actor, producer and director, Thiagarajan. He has many successful films to his credit in Tamil, Telugu, Malayalam and Hindi. A Bharathanatyam exponent, trained in several martial arts like kung-fu, Karate (obtained BLACK BELT), silambam, kalari, gymnastics, roller skating, horse riding, rowing & yachting. Prashanth is a high board diver and long distance sea swimmer. He has penchant for music. Plays many musical instruments, passed third grade in music-piano in the TRINITY COLLEGE OF MUSIC, LONDON. His immense talent and dedication has won him many laurels and respect from his fans and peers alike in and around the industry. He is known to be one of the highly talented actors of this genre. He has acted (worked) in the films directed by popular directors such as Manirathnam, Balumahendra, Shankar, R.K. Selvamani, Agathiyan, Vasanth ....
   
   
Parents & Sibling Thiagarajan - Shanthi Thiagarajan, sister - Preethi.
Wished ( to be ) : Doctor but became an actor
First Film : Vaikasi Poranthachi (Release date - 16-09-1990)
Languages acted in : Tamil, Hindi, Telugu and Malayalam
Hobbies: Tennis, internet surfing, listening to songs, reading books, playing music instruments, snow bowling, karate, horse riding, swimming, chess and playing billiards.
Silver jubilee Films : Vaikasi Poranthachu, Chembaruthi, Jeans, Kannethirey Thondrinal
   
100 Days Hit Films: Vanna Vanna Pookal, Thiruda Thiruda, Perundachan (Malayalam ), I love you (Hindi), Aanazhagan, Mannava, Poo Maghzal Urvalam, Telugu ( 12 Films),
Jodi, Parthean Rasithean, Priyatha Varam Vendum
Arts known: Bharatham, Kuchipudi, Manipuri , Russian ballet, Karate, Silambam, Kung-fu, Kalari, Horse Riding, Swimming, Skatting
Awards: Kalaimamani award from Government of Tamilnadu, Best New Appearance award of year (1990) from Cinema Express and Best actor award of year (1998 ) from Roja Magazine