F Welcome to the school of hard knocks A group of teachers must defend themselves from a gang of murderous kids when their school comes under siege after hours. Details Casts Videos Galleries Posters Title F Release Date 2010-09-07 Runtime 01 Hours 19 Minutes Genres Horror Thriller Production Companies Black Robe, Gatlin Pictures, Capital Markets Film Finance Production Countries United Kingdom David Schofield... Robert Anderson... Eliza Bennett... Kate Anderson... Ruth Gemmell... Sarah Balham... Juliet Aubrey... Helen Anderson... Roxanne McKee... Nicky... Emma Cleasby... Lucy... Max Fowler... Jake Eaves... Finlay Robertson... James... Tina Barnes... Policewoman... F - 2010 Official Trailer (Trailer) Original Size (1920x1080) Original Size (1280x720) Original Size (1280x720) Original Size (1444x2166) Original Size (1000x1500) Original Size (1000x1500) Original Size (1407x2013) Original Size (736x1050) Original Size (1001x1409)