Habarakadage Alosius Perera was born in Colombo to Palagame Arachchige Mary Theresa and Habarakadage Vincent Perera. He attended Modera (Mutwal) St. James school.
Perera made his way through several higher education schools and completed his studies in London. In 1973 he joined his first theatrical group. Perera joined Ranga Shilpa Shalika conducted by Dhamma Jagoda at Lionel Wendt, to study music but found his career changed to acting.
Television
In 1982, Perera made his television debut with a role in Janalayan A Amutha.Subsequently Perera has been a regular on television serials appearing in Doo Daruwo and Nedeyo among others.
Stage
He acted in the stage plays such as Bosath Dekma, Raja Dekma, Spartacus, Wedikkarayo and Julius Caesar.
Films
He started acting as Jesus in Niriella's first film, Palamuveniya saha Anthimaya. In 1987, he appeared in the film for which he is best-remembered, Sumitra Peries' Sagara Jalaya Madi Haduwa Oba Hinda.
Music Director
He directed music in Niriella's stage plays and was the first instructor of Jana Karaliya.
H. A. Perera's Biography in Sinhala Cinema Database
