Katie Holmes and Joshua Jackson are here for each other amid their grief over their late Dawson's Creek co-star James Van Der Beek. As you know, the 48-year-old actor passed away last month following a battle with stage 3 colorectal cancer. His death has been difficult to process, especially for those who knew him best. Katie and Joshua, who starred alongside James on the beloved teen drama from 1998 to 2003, reportedly have been struggling to "accept" that he is gone because they thought he would beat cancer. An insider told RadarOnline on Friday: "Neither of them wants to accept this.