35, swapped House for the White House three years ago, when he quit his role in the hit medical drama for a real-life job with President Obama. The show’s scriptwriters killed off his character, Lawrence Kutner (right, with Hugh Laurie as House), never imagining he’d make a comeback to the show, which ends this week after eight years. But viewer surveys showed how well-loved Kutner was, so he pops up in the final episode as a hallucination of House. Penn is still working in the White House Office of Public Engagement and has also managed to fit in a film and a guest role in US series How I Met Your Mother. House, Thursday, 10pm, Sky1.