Pat Williams is a former director for Smallville. Some episodes he has directed are:
Delete (co-written by Kelly Souders & Brian Peterson) - Clark and Lana each make an attempt on Chloe's life after receiving mysterious e-mail messages. Lex helps uncover the source of these emails and, Lana rents the apartment above the Talon to Adam.
Facade (written by Holly Harold) - Abigail Fine gets plastic surgery to boost her popularity. However, her beauty hides a dark secret - when she kisses someone, they are inflicted with life-threatening hallucinations. When Lana sees Abigail with one of her victims, she becomes the next target.