Sacha Baron Cohen is a genius says Helena Bonham Carter
21 January 2013 Last updated at 12:09 GMT
Helena Bonham Carter has praised her Les Miserables co-star Sacha Baron Cohen as a comic "genius".
The actress described the Borat and Bruno comedian as an "anarchist" and said the pair loved to make fun of each other on the set of the musical film.
Bonham Carter was speaking to Newsbeat's Amelia Butterly at the London Critics' Circle Awards.