Helga Liné made her acting debut in the Portuguese film Saltimbancos, transitioning from her circus and dance career to establish herself on the big screen in her adopted home country.
This year marked a significant shift in Liné's career as she moved to Spain and began appearing in Spanish productions, with El misterio de la gruta maldita being an early example of her prolific work in Spanish genre cinema.
Liné solidified her status as a cult horror icon with international roles, most notably in the acclaimed British-Spanish co-production Horror Express (also known as Pánico en el Transiberiano), showcasing her versatility in the genre.