John Bernard Larroquette (born November 25, 1947) is an American actor. His roles include Dan Fielding on the 1984–1992 sitcom Night Court (winning a then-unprecedented four consecutive Emmy Awards for his role), Mike McBride in the Hallmark Channel series McBride, John Hemingway on The John Larroquette Show, Lionel Tribbey on The West Wing, and Carl Sack in Boston Legal. He is currently playing Jenkins/Galahad in TNT's The Librarians (2014 TV series).