A common fineness of features and penetrating gaze, but the mouth is the most obviously cloned section.

Say what you like of the one-time matinee idol and latterday smut-peddler, but John Derek knew what he liked in women.

A gaunt aspect and certain 'Cruella De Ville' sharpness to the chin defines the similarity here.

so confusing (let's not talk about what made it bad) was the use of such a striking lookalike for Portman as Knightley.

Under the make-up, it's just impossible to say who's who - and it's still a notable resemblance.

Make-up of the period was very stylised, but the bone structure seems similar.

Looking at the above picture, I'm actually seeing a bit more Hugh Jackman than Jerry Seinfeld in the moody visage of Borat's creator.

Bullock's next release is Oscar-winning actress Connolly shares a sultry, semi-Latin quality with Kirshner, a very soft and retro openness of face and lack of guile.