Michael "Mike" McCusker is an American film editor. He edited the Johnny Cash biopic, Walk the Line. McCusker was mentored by film editor David Brenner.McCusker is married to film producer Deirdre Morrison, whom he met while he was additional editor on the film The Day After Tomorrow. For McCusker editing is, "a dance of the eyes. It's not just splicing two pieces of film together but compressing time, leading the audience, telling the story through images and dialogue.”