Patrick Fischler (born December 29, 1969) is an American actor known for his roles as Jimmy Barrett on the drama series Mad Men, Dharma Initiative worker Phil on the drama series Lost and Detective Kenny No-Gun on the police drama Southland. He has more than sixty film and television credits, including the films Mulholland Drive (2001), Ghost World (2001), Old School (2003), The Black Dahlia (2006), and Dinner for Schmucks (2010).