He also appeared in “Lost” as Gordy, “Live Free or Die” as Monson, and “The Closer” as Mr. Catalina. He starred in “Samantha Who?” as Howard Newly, “Vicky Cristina Barcelona” as Mark Nash, “Transformers: Revenge of the Fallen” as Ron Witwicky, and “Unstoppable” as Oscar Galvin. Dunn’s more recent roles include “Transformers: Dark of the Moon”, “Bette”, “Warrior”, “Harry’s Law”, “Luck”, “Prosecuting Casey Anthony”, “Jobs”, “Cesar Chavez”, “Veep”, “Draft Day”, and “True Detective”. Dunn was executive producer on the 2011 award-winning documentary “Kumpania: Flamenco Los Angeles”.