John Miller Tobin (born January 13, 1961) is an American television director and producer. As a director, Tobin has worked on the television series Oz, The Agency, Numb3rs, Terminator: The Sarah Connor Chronicles, Supernatural, 90210, Gossip Girl, and The Vampire Diaries; on the latter of which he also served as a producer.Tobin has also worked as an assistant director on number of feature films, including Fresh (1994) and The 24 Hour Woman (1999).