Mark Radcliffe (born 7 October 1952, Tulsa, Oklahoma, USA) is an American film producer and one of the producers of the first three Harry Potter films. He's a producer and partner of 1492 Pictures, which produced the first three of the films, with Chris Columbus. Aside from the production of Harry Potter, he has also produced numerous other renowned films, such as The Christmas Chronicles, Night at the Museum, Percy Jackson, and Home Alone.