Jake T. Weber (born 12 March 1963) is an English actor. He's best known for his role as Joe DuBois on the drama series Medium. He's also known for his roles as Owen Casserly in Those Who Wish Me Dead, Rear Admiral Raymond Spruance in Midway, Barry Walker on Netflix's 13 Reasons Why, Agent Hope in White House Down, John Campbell on AMC's Hell on Wheels, Brett O'Keefe on Showtime's Homeland, Michael in Dawn of the Dead, Jake Berman on HBO's The Mind of the Married Man, Gordon Ramsey in The Cell, L...