Already a critical hit thanks to its film festival runs, 'Martha Marcy May Marlene' is generating no shortage of buzz these days. The haunting indie drama stars Elizabeth Olsen as Martha, a young woman who struggles to reintegrate into normal life after escaping from a cult in the Catskills. But writer/director Sean Durkin's feature debut isn't the first movie to delve into the dangerous grasp cults can hold over their followers. And with 'Martha Marcy May Marlene' out now in theaters (try ordering that ticket five times fast), Moviefone thought it was time revisit some true "cult" classics; because if you're a little wary about why that new social club you signed up for keeps asking you to try the Kool-Aid, here are the top 10 ways to know you've joined a cult -- in the movies at least.

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