Helmi Lehosti was born on June 6, 1898 in Viipuri, Finland as Helmi Matilda Pennanen. She was an actress, known for Rakas varkaani (1957), 'Minäkö isä!' (1954) and Minä ja mieheni morsian (1955). She was married to Vili Lehosti. She died on July 9, 1987 in Helsinki, Finland.