Kate Mara, the 33-year-old actress who portrayed Sue Storm/Invisible Woman, and Jamie Bell, the 30-year-old actor who portrayed Ben Grimm and voiced The Thing, met and began falling for each other while making the movie in 2014. Check out the engagement ring in Mara's tweet below. ? Kate Mara (@katemara) January 8, 2017 MORE: Kate Mara Would Love To Be Part Of A Fantastic Four Sequel / Fantastic Four Screenwriter Reveals Epic Original Plans / Miles Teller Would Do Another Fantastic Four Movie / Toby Kebbell Says There's A Great Fantastic Four Cut That Fans Will Never See / Fantastic Four Is Still Big Part Of Fox's Plan, Simon Kinberg Explains What Went Wrong / Fox Still Wants to Make Another Fantastic Four Movie / Fantastic Four Star Miles Teller Reflects On Film's Failure Transported to an alternate universe, four young outsiders gain superhuman powers as they alter their physical form in shocking ways.