WWE star Cena follows in the far from illustrious footsteps of other wrestling icons who have, over the years, attempted to make the transition to big screen stardom. There has been, to name but a few, Dwayne "The Rock" Johnson, "Rowdy" Roddy Piper and - dare we forget - Hulk Hogan. This is Cena's second movie. His debut, "The Marine", was a straight to DVD action vehicle that was better than it deserved to be, thanks largely to Robert Patrick's entertaining villain. With 12 Rounds, new writer Daniel Kunka has recycled plot elements from other far superior films (namely Die Hard 3) and served up some hackneyed tosh about a Detective (Cena), whose girlfriend has been kidnapped by an ex-con he once put away and must now complete 12 perilous challenges to win her back. Director Renny Harlin has made some spectacular action movies in the past - like Cliffhanger and the Long Kiss Goodnight. He has always been erratic though and for every "Die Hard 2", there is a "Cuthroat Island" or "Driven". His latest offering sits shamelessly in the middle. Harlin's done no favours here by a charmless leading man whose lack of facial expressions make Steven Seagal look like Lee Evans. It is possible to paper over such inadequacies with a witty script full of knowing one liners (where are you Shane Black?), some inventive stunts and strong supporting characters. Regrettably 12 Rounds has none of these and at best is an undemanding - and forgettable - Friday night rental.