Evan Arnold is an American actor. He played Richie Flanscopper on Growing Pains, Gavin Doosler on Just the Ten of Us, Ned Carlson on The West Wing, Jeffrey Ambor on Close to Home, Chef Alan on Suburgatory, Dr. Ditmer on Masters of Sex, and David Hillier in L.A. Noire. He also played the role of Leonard in the series finale of Mad Men. Arnold is married and has two children.