Walker has worked alongside better-known actors such as Frank Langella, Christopher Plummer, Danny Glover, Barry Levinson and Ed Begley, Jr. Walker will appear as George Pollard, Jr.-a whale-ship captain who served as the inspiration for Herman Melville’s character Captain Ahab in Moby-Dick-in the 2015 film In The Heart of Sea. Walker will appear alongside Chris Hemsworth, Cillian Murphy and Tom Holland in the film. As a stand-up comedian, Walker has appeared at Caroline’s, Comedy Village, and The Comedy Store. Walker was married to actress Mamie Gummer-best known for her title role in the television series Emily Owens, M.D.-from 2011 to 2013.
