Billy Lush is an American actor best known for his role as Kevin Donnelly on the television drama serie The Black Donnellys, in 2007.
In 2011 he starred in the short-lived police procedural television series The Chicago Code.
Lush starred in the miniseries Generation Kill as Lance Cpl. Harold "James" Trombley and in Paul Haggis' drama series The Black Donnellys.
His additional television credits include Huff, Law & Order: Criminal Intent, ER, CSI: Crime Scene Investigation, Terminator: The Sarah Connor Chronicles, Six Feet Under, Trauma and Madso's War.
Lush's film credits include Beautiful Dreamer, Arc, Stateside and the Rod Lurie feature Straw Dogs with Alexander Skarsgard, James Marsden, Kate Bosworth and James Woods.