It is said that stars are not born but made.
So what makes a leading man? Is it his talent? His sex appeal, hot bod, star power or sense of humour?
The staple stable of leading men such as Tom Cruise, Brad Pitt and George Clooney possess such qualities and more, but also the requisite X-factor.
There are countless actors in Hollywood, but why is it only a handful become genuine leading men?
We look at some up-and-coming actors who may be the ones to replace some of Hollywood's elite by emulating existing careers.
Thousands would leap at the chance to lead a superhero sci-fi blockbuster. But Pratt had to be convinced.