James Urbaniak: James Urbaniak. Actor: Oppenheimer. James Urbaniak was born on 17 September 1963 in Bayonne, New Jersey, USA. He is an actor and writer, known for Oppenheimer (2023), The Fabelmans (2022) and The Venture Bros.: Radiant Is the Blood of the Baboon Heart (2023). He has been married to Sara Pocock since 30 March 2017. He was previously married to Julie Marie Anderson.