Margaret Cassidy Lawson (born August 12, 1980) is an American actress who is best known for her role as Detective Juliet “Jules” O’Hara in the TV show Psych. From 2018 to 2019, she held the recurring role of Nathalie Flynn on Fox’s Lethal Weapon’s third and final season.
Lawson started her career at the age of 8 in local community and dinner theater productions. She later became a youth TV host on WDRB Fox 41 Kid’s Club in Louisville, and moved to Los Angeles for her first pilot at 15.
In 2011, Lawson briefly returned to her roots in theater to star in the play Greedy, directed by James Roday, which played for a few weekends in Los Angeles.