He had a small part in the hit Will Ferrell comedy “Elf” in 2003. He is credited as a co-screenwriter on 2012’s comedy-drama “Celeste and Jesse Forever”, which he also acted in and produced. While working on screen, McCormack continued appearing in stage productions, including two Off-Broadway showings of “The Long Christmas Ride Home” in 2003 and “Chinese Friends” in 2004. He won the 2004 Lucille Lortel Award for Outstanding Featured Actor for “The Long Christmas Ride Home”. He dated well-known Hollywood actress Lucy Liu in 2005.
