The Sin City poster follows the graphic novel genre and was therefore a good starting point, showcasing the classic low angle, strong lighting and aggressive urban feel.The first challenge was where to shoot it. I wanted it to look like it was shot at night and I also wanted a urban backdrop. However to try an find a suitable location and the logistics of shooting on site with our budget meant that I was going to have to cheat it. In order to get an urban look with a slightly grungy feel I wanted residential rather than office blocks in the background. Therefore I started to scour my image archive a found some images I'd taken back in 2006-07 in Hong Kong.
First problem was that were shot in the day, in fairly bright sunshine, so my photoshop skills were tested as I attempted to turn this into a rainy night scene!
With the background sorted I opted to shoot the models on a blueish background as it meant that cutting them out wasn't so important. Each model was shot individually and then comped into the group shot of the three of them. I lit each model with three lights, using a a hairdryer and plant sprayer in a low-tech but completely adequate way of making them look like they were outside in a rain storm (...with a bit of imagination).
Once that comp was completed it was just a case of popping them onto the backdrop of the city and adding the rain and some ambient touches to give it a slightly more graphic novel look in order to get the image you see at the top of this post.