Grant Mandel Rosenmeyer is an American film and television actor. Rosenmeyer was born in Manhasset, New York, the son of Debra and Colin Rosenmeyer. His first role was in Macbeth as Macduff's son. He then played Gavroche in Les Mis�rables. In 2001, he played Ari Tenenbaum in The Royal Tenenbaums and in 2003, played Young Mordechai in The Hebrew Hammer. In 2003-2004, he starred as Oliver in the TV series Oliver Beene. Recently, he has made guest appearances on Late Night with Conan O'Brien, Monk, and Curb Your Enthusiasm. During the filming of an episode of Curb Your Enthusiasm, he visited the Playboy Mansion. He will star as Mark Stelmack in the upcoming movie, I Do & I Don't. Rosenmeyer currently resides in Ridgefield, Connecticut. He has a BFA from New York University's Tisch School of the Arts. In June 2009, Rosenmeyer won an award for Best Student Film in his movie, Fugue, in the Connecticut Film Festival. 

July 3rd, 1991 in Manhasset (Age 33)