“I’d forgotten how much I didn’t know about the history of the second World War,” says actor Hugh Bonneville in this video clip, which features red carpet interviews with George Clooney, John Goodman, Matt Damon, Dimitri Leonidas and Bill Murray.
The all-star cast return to Berlin for the international premiere of The Monuments Men, a World War Two drama shot in and around the German capital. It follows a team of curators on a mission to retrieve artworks stolen by the Nazis – a story that Clooney, who directed and co-wrote the film, hadn’t previously heard.
In this clip, he describes what he enjoyed most about making the film – while Murray sums up its appeal.
If you would like to comment on this story or anything else you have seen on BBC Culture, head over to our Facebook page or message us on Twitter.