Lucy is the young daughter of Scott Calvin (Tim Allen) and Carol Newman-Calvin in The Santa Clause 2 (2002). Portrayed by actress Liliana Mumy, Lucy is introduced as a smart, observant child who quickly notices Santa’s unusual behavior, adding tension and warmth to Scott’s efforts to keep the North Christmas-ready. This profile explains who Lucy is, how the casting and character evolved, and how her family role drives key plot points in both The Santa Clause 2 and The Santa Clause 3: The Escape Clause.
