See the "Love Actually" Cast 20 Years After the Christmas Movie's Release

While not a main character in "Love Actually," Jones played Jeannie, one of the American party girls who meets Colin as he arrives in the USA.

The 45-year-old later became best known for playing Betty Draper Francis for seven seasons of "Mad Men," for which she received Golden Globe and Emmy nominations. The mom of one has also played Emma Frost in "X-Men: First Class" and Lizbeth Sloan in Netflix's "The Politician."