Corrigan became well known for his role as the slacker Eddie Finnerty on the sitcom Grounded for Life which ran for five seasons. After the show's cancellation, he returned to appearing in smaller film projects with the exception of a role in Martin Scorsese's movie The Departed as the drug-dealing cousin of Leonardo DiCaprio's character. Since the success of that film, he began to appear more regularly in high-profile films. He had roles in two Judd Apatow-produced films: Superbad as the violent owner of the house where Jonah Hill's and Michael Cera's characters attempt to steal alcohol, and Pineapple Express as one of the main villain's henchmen. He also appeared in Ridley Scott's American Gangster as an informant for Russell Crowe's character. Corrigan was also in the movie The Last Winter, in which he played "Motor" a mechanic. In 2009 he was in the Oscar-winning short film The New Tenants. In 2009, Corrigan guested in the science fiction drama Fringe as the mysterious character Sam Weiss. He played the role of Sal against Patton Oswalt in the critically praised independent film Big Fan, written and directed by Robert D. Siegel. He also stars in the 2010 John Landis-produced thriller film Some Guy Who Kills People, which is directed by Jack Perez. In 2015, he co-starred with Guy Pearce in Results, the fifth feature film by writer-director Andrew Bujalski. The film had its world premiere at the 2015 Sundance Film Festival and was released theatrically on May 29, 2015. Results has received an 82% rating on Rotten Tomatoes.