New Delhi, May 22 -- Maika Monroe's career essentially began at the Cannes Film Festival. Her breakthrough role in "It Follows" premiered in Cannes' Critics Week sidebar in 2014.

"I was a newbie," recalls Monroe. "I'm pretty sure I spent my 21st birthday here. I was like: 'Well isn't that exciting, to turn 21 in a country where I could have drank in for years.'"

"It Follows," about a sexually transmitted curse, was part of a new wave of probing, atmospheric horror films. But then, it was a small $1.3 million indie movie that had little reason to expect a Cannes launch.

"It was surreal. You never expect going into making a film that this will happen," Monroe said in an interview on the rooftop of Cannes' Palais des Festivals. "But espec...