Buena Vista Pictures/Everett Collection
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Elizabeth Mitchell, The Santa Clause 2: The Mrs. Clause
Every great Santa needs a Mrs. Claus — and eight years into his contract, Scott Calvin realizes he must find a mate or Christmas will cease to exist. Enter principal Carol Newman (Lost's Elizabeth Mitchell), who Santa Scott meets after his son gets in trouble at school. The two soon end up happily ever after, even though the following Christmas, Mitchell's pregnant Mrs. Claus worries that Santa will be out making his deliveries while she's making one of her own.