Buki Armstrong is a British actress best known for her lead role as Pearl Parker in BBC drama South of the Border (1988-1990) and for playing Gerry in the BBC's ill-fated soap opera Eldorado. She is married to the actor and playwright Ayub Khan-Din. Buki Armstrong is a British actress best known for her lead role as Pearl Parker in BBC drama South of the Border (1988-1990) and for playing Gerry in the BBC's ill-fated soap opera Eldorado. She is married to the actor and playwright Ayub Khan-Din.