Helovirta was born in
Juupajoki, and started his acting career in 1950. He made about 40 Finnish-language films between then and 1995. Helovirta starred in the 1977 film
Jäniksen vuosi, a film about a man from
Helsinki who leaves to find a new life in the wilderness, alongside actor
Antti Litja. Towards the end of his career in the mid-1990s he appeared on
television. He died in Helsinki. ==Selected filmography==