John Preston is an actor.
John Preston appears in: Person of Interest (2011), among others.
John Preston
person
Known for
- watched
- 43min
- Seasons: 5
- Episodes: 103
An ex-CIA agent and a wealthy programmer save lives via a surveillance AI that sends them the identities of civilians involved in impending crimes. However, the details of the crimes, including the civilians' roles, are left a mystery.