John Bernard Larroquette is an American actor. He is known for his starring roles in the NBC military drama series Baa Baa Black Sheep (1976–1978), the NBC sitcom Night Court for which he received four consecutive Primetime Emmy Awards wins for Outstanding Supporting Actor in a Comedy Series during the earlier incarnation, the NBC sitcom The John Larroquette Show (1993–1996), the David E. Kelley legal drama series The Practice (1997–2002), the ABC legal comedy-drama series Boston Legal (2004–2008), and the TNT series The Librarians (2014–2018).

The Librarians is an American fantasy adventure television series developed by John Rogers that premiered on TNT on December 7, 2014. The show is a direct spin-off of the Librarian film series, sharing continuity with the films. The Librarians are an ancient organization dedicated to protecting an innocent world from a magical and fantasy-like secret reality hidden from view. TNT cancelled the series in March 2018, days after the final episode of the fourth season. A spin-off called The Librarians: The Next Chapter will premiere during the 2024–25 broadcast season.