Mary Vallery is a fictional character portrayed by Kathleen Duborg in the TV series Psych.
They appear in 1 episodes out of a total of 120 aired
Episodes1
From the Earth to Starbucks
episode S1.E10 january 2007Shawn decides to help Lassiter solve a crime, unbeknownst to him, since he's doubting his abilities as a detective.
