Lena Dunham is mourning the death of actor Nick Lashaway, who appeared in an episode of Dunham's, "Girls." The MetroWest Daily News in Massachusetts reports the 28-year-old Lashaway was killed in a car accident in Framingham on Sunday evening. In an Instagram post Wednesday that features a shot of Dunham and Lashaway from a season two episode of the HBO comedy, Dunham calls Lashaway "a talented, funny and kind person" and says she'll remember "his playful smile" and "easy instincts.