A new TV advertising campaign targeting the number of teenage boys killed on the capital's roads is unveiled by Transport for London (TfL) on Friday.
The advertisement features a 12-year-old boy killed on the road
The advertisement is based on the trailer for a fictional blockbuster film called The Betrayal - starring British actor Scott Smith.
But the 12-year-old boy who would have become the star is shown to have been killed in a road accident.
Boys aged 11 to 14 are most at risk of being hit by vehicles crossing roads.
The advert is the latest in a "Don't die before you've lived" campaign aimed at younger people.
Chris Lines, head of TfL's London Road Safety Unit, said: "Teenage boys are most at risk on our roads and distractions such as mobile phones, texting and personal stereos increase the dangers.
"Two teenagers are killed or injured in pedestrian accidents every day in the capital. Many of these could be avoided if victims were aware of the dangers on the roads."
Last year, a similar advert showed a fictional pop singer killed when she was a teenage girl.