Sigrid stands 5 feet and 5 inches tall.
In 1982, she took on the roles of Jessica Harrison in the films and its sequel in 1988.
In 2018 Sigrid was honoured with the Screen Legend Award by Cinefest Oz Film Festival and in 2019 she received the Chauvel Award at the Gold Coast Film Festival.
Coming from a family background where there were many thoughtful insights about life, Thornton has really benefited from that.