If Alfred Hitchcock were alive today, it’s a safe bet that he’d be working with Scarlett Johansson… or at least pursuing her to star in one of his thrillers.

‘Hitch’ as he liked his girls to call him, was a fan of the platinum blonde and persuaded Grace Kelly, Ingrid Bergman, Kim Novak, Tippi Hedren and Janet Leigh to be terrorised in the name of his art.

But tonight a film about his marriage was promoted at the New York premiere by not just the ultimate Hitchcock blonde but by a brunette in a leading role…step forward sparkling Jessica Biel.