Balfe, who starred as Elizabeth Lamb in J. J. Abrams' "Super 8" and is in Bryan Singer's web series "H+," plays Andie, who has a creepy -- and deadly -- crush on a high school soccer star. She is an Irish fashion model.
Also read: Lucas Till Nabs Lead in Intrepid's 'Crush'
Till ("X-Men: First Class") plays the soccer star in the movie, which Malik Bader ("Street Thief") is directing. Sonny Mallhi, a former executive at Vertigo Entertainment, wrote the script. Marc D. Evans and Trevor Macy are producing.
"Crush" starts principal photography in Los Angeles this week.
Balfe is repped by Patty Woo Management.