 Barr appeared in the 2008 film "The House Bunny" as Tyler, one of the university students.He portrayed David "Puck" Rainey, one of the alumni of "", in "Pedro", Nick Oceano's 2008 biographical film on the life of AIDS educator Pedro Zamora.In 2009, Barr co-starred in the mystery/horror miniseries "Harper's Island" as Christopher "Sully" Sullivan.