The movie was first called Cirque du Freak, then The Vampire's Assistant, now it's apparently called Cirque du Freak: The Vampire's Assistant, but whatever, the new trailer's live.

The movie, based on the first book in Darren Shan's The Saga of Darren Shan, centers on a teenager who finds himself pulled into the life of a circus populated by real freaks and vampires. The cast includes Chris Massoglia, John C. Reilly, Salma Hayek and Ken Watanabe.

The trailer went live on Moviefone; earlier, Cinematical uploaded the film's new poster.

Cirque du Freak: The Vampire's Assistant opens Oct. 23.

(Click on the images below to enlarge)