J.K. Simmons is known for his role as Assistant Chief Will Pope on the TNT TV show "The Closer (2005-2012)".

He played Vernon Schillinger on the HBO TV show "Oz (1997-2003)" and Dr. Emil Skoda (1997-2004, 2010) on the NBC TV show "Law & Order (1990-2010)".

Some other TV shows he appeared on are "The Adventures of Pete & Pete", "Homicide: Life on the Street", "Swift Justice", "Spin City", "New York Undercover", "Remember WENN", "Third Watch", "Law & Order: Special Victims Unit", "Law & Order: Criminal Intent", "Queens Supreme", "John Doe", "Everwood", "ER", "The D.A.", "Without a Trace", "The Jury", "Nip/Tuck", "Arrested Development", "Jack & Bobby", "Numb3rs", "The West Wing", "Party Down", "Raising Hope", "NTSF:SD:SUV", "Best Friends Forever", "Parks and Recreation", "Family Tools", "Men at Work", "Growing Up Fisher", "What Lives Inside", "No Activity" and "Counterpart".

He played FBI Agent Timothy I. Witherspoon in the movie "The Jackal (1997)", Ted Slocum in "The Mexican (2001)", J. Jonah Jameson in Sam Raimi's "Spider-Man" movie trilogy, Buffalo Bill Cody in "Hidalgo (2004)", Mac MacGuff in "Juno (2007)", Terence Fletcher in "Whiplash (2014)", Detective O'Brien in "Terminator Genisys (2015)", Bill in "La La Land (2016)" and Commissioner James Gordon in "Justice League (2017)".

Some other movies he appeared in are "Popeye Doyle (1986)", "The Ref (1994)", "The Scout (1994)", "The First Wives Club (1996)", "Extreme Measures (1996)", "Love Walked In (1997)", "Crossing Fields (1997)", "Face Down (1997)", "Celebrity (1998)", "Above Freezing (1998)", "Hit and Runway (1999)", "The Cider House Rules (1999)", "For Love of the Game (1999)", "Autumn in New York (2000)", "The Gift (2000)", "Path to War (2002)", "Homeward Bound (2002)", "Off the Map (2003)", "The Ladykillers (2004)", "3: The Dale Earnhardt Story (2004)", "Thank You for Smoking (2005)", "Harsh Times (2005)", "First Snow (2006)", "The Astronaut Farmer (2006)", "Bury My Heart at Wounded Knee (2007)", "Postal (2007)", "Rendition (2007)", "Burn After Reading (2008)", "The Vicious Kind (2009)", "New in Town (2009)", "The Way of War (2009)", "Red Sands (2009)", "I Love You, Man (2009)", "Post Grad (2009)", "Extract (2009)", "Up in the Air (2009)", "Jennifer's Body (2009)", "Crazy on the Outside (2010)", "A Beginner's Guide to Endings (2010)", "An Invisible Sign (2010)", "The Music Never Stopped (2011)", "The Good Doctor (2011)", "Contraband (2012)", "The Words (2012)", "Cops Uncuffed (2012)", "Jobs (2013)", "Dark Skies (2013)", "3 Geezers! (2013)", "Labor Day (2013)", "Barefoot (2014)", "Break Point (2014)", "Murder of a Cat (2014)", "The Rewrite (2014)", "Men, Women & Children (2014)", "Farmers Insurance: Monster Foot (2015)", "The Meddler (2015)", "Worlds Apart (2015)", "Punching Henry (2016)", "The Late Bloomer (2016)", "The Accountant (2016)", "Patriots Day (2016)", "All Nighter (2017)", "The Bachelors (2017)", "Renegades (2017)", "I'm Not Here (2017)", "The Snowman (2017)" and "Father Figures (2017)".

He won the Academy Award for Best Supporting Actor for his role as Terence Fletcher in the movie "Whiplash (2014)".

Happy Birthday!