Egyptian-born film legend Omar Sharif, who has died aged 83, captivated audiences worldwide for more than half a century, but will forever be remembered as the eponymous "Doctor Zhivago".Known for his debonair style, raffish good looks and often mischievous joie de vivre, Sharif, who also gained worldwide fame as a bridge player, had Alzheimer's disease.He died of a heart attack, his agent Steve ...