The whole of the film's dialog is spoken in verse.
Havana, Cuba, doubled for Beirut in the film because insurers refused to cover it after the war in Iraq.
Director 'Sally Potter' told Joan Allen to think of the dialog, which is in verse, more in the line of Eminem than William Shakespeare. She even took the actress to Def Poetry Jam, a night of spoken word that ran on Broadway courtesy of hip-hop mogul Russell Simmons to experience it.
Joan Allen couldn't join the crew in Cuba because of the regulations making it difficult for Americans from visiting the country. Her scenes were shot in the nearby Dominican Republic and cut into the Cuban footage.