Karim Dulé Hill is an American actor. He is known for his roles as personal presidential aide and Deputy Special Assistant to the Chief of Staff Charlie Young on the NBC drama television series The West Wing, for which he received an Emmy nomination for Outstanding Supporting Actor in a Drama Series, and pharmaceutical salesman–private detective Burton "Gus" Guster on the USA Network television comedy-drama Psych. He also had minor roles in the movies Holes, The Guardian, and She's All That and a recurring role on Ballers. He joined the cast of Suits for the last 2 seasons, and played patriarch Bill Williams in the 2021 remake of The Wonder Years. Hill also serves as a member of the SAG-AFTRA Board of Directors.