That Huppert can be scary when she wants to be.

Remember “The Piano Teacher?” And that’s not the only alarming character on her resume. 

“Greta” has the French screen legend playing a nice little (not too old) lady whom a helpful coed/waitress (Moretz) returns a lost purse to.

Let the games begin. Not the only purse Greta owns. Not the only “girl” she’s been “helped” by.

Maika Monroe plays Moretz’s Frances’ BFF.

“Greta” opens March 1.