Eddie Cahill was born on January 15, 1978 in New York. His credits include Felicity, Sex and the City, Dawson's Creek, Haunted, Law & Order: Special Victims Unit and Charmed. He even had a recurring guest role in the television series Friends as Rachel's young boyfriend and assistant. Ultimately, he is part of the television show CSI: NY as Donald Flack. Donald Flack is a clever homicide detective who easily gets irritated with the "bad guys". He usually goes to extreme measures that are often perceived as borderline but effective. He is friends with Danny Messer and serves as an ear to his problems. Later, he is greatly injured in a bomb explosion and ends up in a coma. Eventually, he recovers and jumps back on duty with CSI.