Kit Harington will lend his voice as the film's still-unnamed villain in the CG animated sequel "How to Train Your Dragon 2" says Variety.
Jay Baruchel, Gerard Butler, Craig Ferguson, America Ferrera, Jonah Hill, Christopher Mintz-Plasse, Tj Miller and Kristen Wiig will be back.
Dean DeBlois is directing from his own script.
Bonnie Arnold is producing the sequel
The films are based on a series of books by author Cressida Cowell.
The sequel, set for release on June 20th 2014.