A malevolent entity hides behind an ear-to-ear grin in filmmaker Parker Finn’s supernatural terror tale.

“We’re working with really heady themes and motifs and pairing them with these extraordinary circumstances.

Before long, Cotter finds herself haunted, and tormented, by other figures wearing similar smiles.

Smile

Smile Sosie Bacon stars in ‘Smile’.Walter Thomson/Paramount

“Smilefollows a clinical psychiatrist who is working in a public hospital setting,” says the director.

“I grew up on practical effects,” says Finn.

“Practical effects were one of the things that really drew me to horror films.

Smile

Director Parker Finn and Sosie Bacon on the set of ‘Smile’.Paramount Pictures

We were so lucky to get them.

In my opinion, they’re like rock stars.

Did any of the cast suffer from smile-exhaustion during the shoot?

“But, to their credit, they were really really committed to the performances.

I’m really pleased with how they turned out.”

Smileopens in cinemas Sept. 30.

Watch the film’s trailer below.

Want more movie news?