London: American film, theater and television actor Bradley Cooper feels that it is still difficult to get good roles in the business of films. He admits that 'Hangover' has opened "more doors" for him.

Cooper, who reprises his role in the sequel of the comedy, says he still has to audition to get parts in the

The actor who began his career with a small part on 'Sex and the City' opposite Sarah Jessica Parker
is thankful for the 2009 comedy movie.

 "More doors have been opened, for sure, but it's not like I sit back with a cigar on Monday morning and go through the scripts that have been offered. That's not the case. I still put myself on tape to audition for movies and try to get roles," Cooper said.

The actor believes director Todd Phillips was more confident when he shot the follow-up, which was filmed in Thai
capital Bangkok.

 "It's a more confidently directed film by Todd. The first one moves like a bottle rocket, this one takes its time.
I'm curious how people will react to how dark it is and how much time is taken with it," he said.