Jonathan Kimble Simmons is an American actor and voice actor. In television, he is known for playing Dr. Emil Skoda on the NBC series Law & Order, neo-Nazi Vernon Schillinger on the HBO prison-drama Oz and Assistant Police Chief Will Pope on TNT's The Closer. Since 2017, he has executive-produced and starred as Howard Silk in the Starz series Counterpart. His film roles include J. Jonah Jameson in Sam Raimi's Spider-Man trilogy and music instructor Terence Fletcher in 2014's Whiplash.