John Heffernan
- Compleanno:
- 06/30/1981
- Luogo di nascita:
- Billericay, Essex, England, UK:
 | A Ghost Story for Christmas: Lot No. 249 (2023) The Friend |
 | National Theatre Live: Much Ado About Nothing (2022) Benedick |
 | The Duke (2021) Neddie Cussen |
 | The Banishing (2021) Linus |
 | Misbehaviour (2020) Gareth |
 | Forget Me Not (2019) Jack |
 | Official Secrets (2019) James Welch |
 | Brexit: The Uncivil War (2019) Matthew Elliott |
 | Crooked House (2017) Laurence Brown |
 | Il senso della bellezza - Arte e scienza al CERN (2017) Narrator (voice) |
 | Eye in the Sky (2015) Major Harold Webb |
 | Beyond the Pale (2014) Captain Charles Shore |
 | All This Can Happen (2013) Narrator |
 | National Theatre Live: The Habit of Art (2010) George |
 | Red Alert: Hockeytown 3: 2002 Stanley Cup Champion Detroit Red Wings (2002) Narrator |