CBS passed along a few very cool sneak peek photos from the upcoming series “Harper’s Island” starring Cassandra Sawtell, David Lewis, Gina Holden, Amber Borycki and Ali Liebert. Beginning Thursday, April 9th, and airing each Thursday at 10:00pm ET/PT through July, 2nd. Series Synopsis: HARPER’S ISLAND is a 13-episode murder mystery about a group of family and friends who travel to a secluded island for a destination wedding. They’ve come to laugh… to love… and, though they don’t know it… to die. As the wedding festivities begin, friendships are tested and secrets exposed as a murderer claims victims, one by one, transforming the wedding week of fun and celebration into…