Lydia Lawson-Baird is an actress who's credited for her roles in such movies as Trailer Park Boys: The Move as well as Elf. She hasn't acted in any movies since 2006. In the 2006 movie, Trinity was played by Lydia Lawson-Baird, and not Jeanna Harrison as in the series, though Harrison has returned to reprise her role and was the only time Lydia ever played Trinity.