Juliet Lynn "Jules" O'Hara is a main character on Psych who arrives at the Santa Barbara Police Department as a Junior Detective and later becomes Head Detective at the San Francisco Police Department. She is married to protagonist Shawn Spencer as of Psych: The Movie. Juliet is portrayed by Maggie Lawson, and Bailey Herbert plays a young Juliet during a flashback in S6E7 "In for a Penny...".