Leonard, you remind me of your mother... particularly when you’re not being truthful. The Unguarded Moment comes from director Harry Keller, with a screenplay by Herb Meadow and Larry Marcus based on a story by Marcus and Rosalind Russell. The cast includes Esther Williams, George Nader, John Saxon, Edward Andrews and Les Tremayne. Herman Stein handled the music while William H. Daniels was in charge of cinematogr…