How old is Dr Alex George from 'Love Island'? This image appears in the gallery:Love Island 2018: How Old Are The Contestants? 4. How old is Dr Alex George from 'Love Island'? The good doctor Alex George is 27 years old, making him 2 years older than his Casa Amore match, Grace. 27 images See the full gallery: Love Island 2018: How Old Are The Contestants?