James Andrew Eric `` Jaime '' Phelps and Oliver Martyn John Phelps ( born February 25 1986 ) are identical twin English actors , best known for playing Fred and George Weasley in the Harry Potter film series , which are based on the books . James Andrew Eric Phelps and Oliver Martyn John Phelps ( born 25 February 1986 ) are identical twin English actors , best known for playing Fred and George Weasley , respectively , in the Harry Potter film series .