- Antonia Bowie
- production & post coordinator / production coordinator (8 episodes, 2018)
- Pallas McTaggart
- senior researcher (8 episodes, 2018)
- Cheree Cook
- production accountant (6 episodes, 2018)
- Sarah Cull
- legal affairs (6 episodes, 2018)
- Charlotte Valletta
- production coordinator / research (6 episodes, 2018)
- Phil Prendeville
- additional researcher / researcher (2 episodes, 2018)
- Daniel Aboki
- fixer: Benin (1 episode, 2018)
- Sadikou Ayo Alao
- legal counsel: Benin (1 episode, 2018)
- Ryouk Bno
- legal counsel: Cambodia - Bno Nou Ouk & Partners (1 episode, 2018)
- Edwin Briels
- fixer: Myanmar (1 episode, 2018)
- Richard Cornwallis
- legal counsel: Idonesia - Makarim & Taira S (1 episode, 2018)
- Salym Fayad
- fixer: South Africa (1 episode, 2018)
- Darin Frank
- legal counsel: USA - Sloane, Offerum, Weber and Dern, LLP (1 episode, 2018)
- Michael Gakuran
- Fixer: Japan (1 episode, 2018)
- Jeremy Gawade
- legal counsel: UK - Lee & Thompson (1 episode, 2018)
- China Gonzalez
- Spanish translator (1 episode, 2018)
- Terry Gordon
- fixer: Myanmar/Cambodia (1 episode, 2018)
- Matthew Graham
- fixer: Cambodia (1 episode, 2018)
- Constantinos Keravnos
- legal affairs: Cyprus (1 episode, 2018)
- Rachel Phyo Thandar Kyaw
- legal counsel: Myanmar - Myanmar Legal Advisors Group (1 episode, 2018)
- John Paul Lancaster
- fixer: Colombia (1 episode, 2018)
- Claire Logan
- archive researcher (1 episode, 2018)
- Abduaziz Madyarov
- fixer: Kazakhstan and Turkmenistan (1 episode, 2018)
- Chikayo Morijiri
- fixer: Japan (1 episode, 2018)
- Yo Nagaya
- fixer: Japan (1 episode, 2018)
- Tatsuo Ninoseki
- legal counsel: Japan - Kotto Dori Law Office (1 episode, 2018)
- Shinta Okta
- fixer: Indonesia (1 episode, 2018)
- Verity Oswin
- fixer: Mexico (1 episode, 2018)
- Andarias Para'pak
- fixer: Indonesia (1 episode, 2018)
- Lalie Rabeharison
- fixer: Benin (1 episode, 2018)
- Antonio Rebollar
- legal counsel: local mexican - Allen Entertainment (1 episode, 2018)
- Olga Robertson
- russian translator (1 episode, 2018)
- Bernardo Rodriguez Ossa
- legal counsel: local colombian - Parra Rodriguez Abogados (1 episode, 2018)
- Maria Teresa Scotto
- fixer: Mexico (1 episode, 2018)
- Ryan Tucker
- legal counsel: South Africa - RM Tucker (1 episode, 2018)
- Arsenio Utekhin
- fixer: Russian (1 episode, 2018)
- Sofia Villamil
- fixer: Colombia (1 episode, 2018)
- Wenwen Li
- researcher (uncredited) (1 episode, 2018)