Gossip Girl may be over for the season but Ed Westwick aka Chuck is keeping busy The British actor has just been cast in S Darko a follow-up to Donnie Darko the 2001 cult fave that helped put the Gyllenhaal sibs on the map says the ReporterThe Darko sequel will feature the story of Samantha Donnies sister who leaves town with her best friend in the face of a broken family and strange visions Daveigh Chase will return as the Darko sis while Step Up to the Streets 2s Briana Evigan just joined to play Samanthas friend Along with Westwick and Evigan Elizabeth Berkley has also just joined the film Shell play a former drug addict whos now devoted to Jesus and to her hunky pastor How will the follow-up play out Anything with Westwick is promisingas long as it doesnt distract him from his important work on the Upper East Side Anna DimondUse our Online Video Guide to see clips and more on Donnie DarkoRelated149 Video QA Up Close with Eliread more