Samantha A. “Sam” Smith is an American actress. She is best known for her role as Mary Winchester on Supernatural.
Smith began her career as a teenage model. Her most notable role is Mary Winchester on the paranormal and fantasy TV series, Supernatural. She has also had guest appearances on Rizzoli & Isles and Criminal Minds. Her film work includes Jerry Maguire and Transformers. She has also been in House, Trust Me, Monk, NCIS: Los Angelas, NYPD Blue, Just Shoot Me!, Dark Angel, Friends, Wings, and Seinfeld.