Under normal circumstance, this review of “Hours” would simply note that this is the fourth picture for actor Paul Walker in 2013, following his work in “Vehicle 19,” “Pawn Shop Chronicles,” and “Fast & Furious 6.” However, “Hours” will be forever remembered as one of his last movies, after his death late last month at the age of 40. I’ll admit, I was never a true believer when it came to the acting ability of Walker, who built a career around his good looks and enthusiastic physicality, yet “Hours” truly represents a change of pace for the performer, who delivers some of his best work in this odd thriller, which somehow transfers the bomb-on-a-bus concept of “Speed” to an infant-on-a-incubator ride of suspense and heartbreaking stakes. Walker’s clear limitations remain, but baby steps toward his maturation as a leading man were made here, sadly never to be realized in full. Read the rest at Blu-ray.com