Justin's father and Stephanie's husband. He wears a Santa costume at home, accidentally convincing Justin that he is having an affair with Santa Claus.
David's Santa disguise creates the central mistaken-identity conflict.
Justin sees Santa embracing his mother, but the plot later reveals that Santa was his father in a Santa suit.
David is Justin's father, although his disguise causes Justin to misunderstand his actions.
David Carver is identified as Justin's father. The ending reveals that the Santa figure Justin feared was actually his father wearing a Santa costume.
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