Doug Simpson's film and television roles include Dick Cheney's campaign manager in Vice (2018), Terry Spencer in Bosch (2019), Coroner Spring in Aquarius (2015-2016), Principal Mathews in Black-ish (2015), Dr. Barton in Mad Men (2015), an alien emissary in Agents of SHIELD (2017) and Richard Castle's attorney Henry in Castle (2014). A graduate of Illinois State University, he has trained at Steppenwolf Theater, Upright Citizens Brigade NY, Lesly Kahn & Company and The Groundlings School. He lives with his wife and son in Los Angeles.