First Full Length Horns Trailer Trailer Released Online

The first full length trailer for Horns, the upcoming film starring Harry Potter's Daniel Radcliffe, has been released online (via MTV).

Horns is based on the novel of the same name by Locke and Key co-creator Joe Hill, adapted into a screenplay by Keith Bunin, and directed by Alexandre Aja.

In Horns, in the aftermath of his girlfriend's mysterious death, a young man awakens to strange horns sprouting from his temples.

Horns comes to theaters October 31.