Margrit Rainer made her mark in the world of entertainment when she worked on "Heidi and Peter" (1955). In 1952, she made her film debut in "Palace Hotel." In 1968, she had a role in "Beyond Control." In 1973, she played a recurring TV role on "Ein Fall für Männdli." In 1981, she had her final film role in "The Inventor." Rainer's husband was Inigo Gallo.