Danny Kaye finds himself impersonating a medieval fool in this complicated       comedy classic. A plot is afoot to kill the king and that's no joke to a loyal   subject. If you were wondering which brew is true, the pellet with the poison    is in the vessel with the pestle. Cast includes Glynis Johns, Basil Rathbone,  Angela Lansbury, Cecil Parker, Mildred Natwick and John Carradine.             Norman Panama/Melvin Frank---USA---1956---101 mins.