A bodyguard will protect Sienna Miller against attacks from fanatical Muslims during the making of her new movie.

The actress is to star in Although Interview, a remake of a film by Dutch director Theo van Gogh, who was brutally murdered in 2004 for making a film about Islam and women.

Producers therefore fear that Miller and her co-stars could be targeted by similar politically-Islamic fanatics.

An insider on the movie – which begins filming next week – said: "We'll ensure that Sienna and her co-star Steve Buscemi get protection."