J. K.Simmons (born January 9, 1955) is an American actor.He is known for his roles as Dr. Emil Skoda on the NBC series Law & Order (and other Law & Order franchise series), neo-Nazi Vernon Schillinger on the HBO prison drama series Oz, Assistant Police Chief Will Pope on the TNT series The Closer, J. Jonah Jameson in Sam Raimi's Spider-Man trilogy, and the voices of Cave Johnson in the 2011 puzzle game Portal 2 and Tenzin in The Legend of Korra. Simmons is also known for appearing in a series of television commercials for Farmers Insurance.He won BAFTA Best Supporting Actor award in 2015.