SBC plays "The Dictator" in London British actor Sacha Baron Cohen, top right, who plays Admiral General Aladeen, arrives for th...

SBC plays "The Dictator" in London

British actor Sacha Baron Cohen, top right, who plays Admiral General Aladeen, arrives for the World Premiere of 'The Dictator', at a cinema in Soutbank in central London, Thursday, May 10, 2012. (AP Photo/Joel Ryan)

Actress Anna Faris poses for photographers as she arrives for the world Premiere of the Dictator at the Royal Festival Hall in London May 10, 2012. REUTERS/Paul Hackett (BRITAIN - Tags: ENTERTAINMENT SOCIETY)

British actor Sacha Baron Cohen, arrives for the World Premiere of 'The Dictator', at a central London cinema, Thursday, May 10, 2012. (AP Photo/Jonathan Short)

Sacha Baron Cohen's wife Isla Fisher poses for photographers as she arrives for the world Premiere of the Dictator at the Royal Festival Hall in London May 10, 2012. REUTERS/Paul Hackett (BRITAIN - Tags: ENTERTAINMENT SOCIETY)

Actor Sacha Baron Cohen, playing Admiral General Aladeen, poses for photographers at the world premiere of the Dictator at the Royal Festival Hall in London May 10, 2012. REUTERS/Dylan Martinez (BRITAIN - Tags: ENTERTAINMENT SOCIETY)

London fans had better watch out: Sacha Baron Cohen is unleashing his latest satirical incarnation on Leicester Square for the world premiere of "The Dictator."