Actor George Clooney and his wife Amal attend the Opening Ceremony for the 66th Berlin Film Festival at the Berlinale Palaston Feb 11, 2015. [Photo/IC]

The 66th Berlin International Film Festival, also called the Berlinale, kicked here on Thursday night with the star-studded US comedy film "Hail, Caesar!"

Directed by the Coen brothers, "Hail, Caesar!" had its international premiere with an array of stars in the ensemble of the new film.