- Jennifer Bydwell
- product usage consultant (14 episodes, 2021-2025)
- Sanora Cohen
- post accountant / prep accountant (14 episodes, 2021-2025)
- Mark Bashore
- main title director and title designer (13 episodes, 2021-2022)
- Katrina Crawford
- main title director and title designer (13 episodes, 2021-2022)
- Evelin Hubbard
- production assistant (13 episodes, 2021-2022)
- Elizabeth Himelstein
- Dialect Coach (8 episodes, 2022-2025)
- Jirada Sanguanwong
- payroll accountant (8 episodes, 2025)
- Filippoamato Agostino
- production assistant (7 episodes, 2022)
- Jovan Augustin-St.Ville
- 2nd accounts assistant (7 episodes, 2022)
- Ilya Bronchtein
- Assistant to David Bernad and Mark Kamine (7 episodes, 2022)
- Carmela Caruso
- Financial Controller / financial controller (7 episodes, 2022)
- Laura Cimarelli
- production accountant (7 episodes, 2022)
- Lorenzo Cintio
- crowd payroll accountant / extra's payroll (7 episodes, 2022)
- Francesco Di Stefano
- covid production assistant (7 episodes, 2022)
- Giuseppe Ercolano
- facilities (7 episodes, 2022)
- Marzia Giamberini
- It payroll accountant / Payroll Accountant Italy (7 episodes, 2022)
- Kayla Goldberg
- assistant: Assistant to David Bernad (7 episodes, 2022)
- Luca Iacoella
- production assistant (7 episodes, 2022)
- Miriam Lucia
- intimacy coordinator (7 episodes, 2022)
- Fabrizio Marcellino
- production assistant (7 episodes, 2022)
- Alice Martinazzoli
- H&S officer (7 episodes, 2022)
- Bryan Persichetti
- Production Finance Executive: HBO (7 episodes, 2022)
- Lauretta Pilozzi
- Key Logger (7 episodes, 2022)
- Ilaria Proscia
- travel asst. (7 episodes, 2022)
- Isabella Roberto
- clearance coordinator (7 episodes, 2022)
- Patrizia Roletti
- Accommodation coordinator (7 episodes, 2022)
- Diana Scalfati
- Cast Assistant (7 episodes, 2022)
- Luca Severi
- behind the scenes producer (7 episodes, 2022)
- Liam Testasecca
- assistant to Ms Coolidge (7 episodes, 2022)
- Joel Trill
- dialect coach (7 episodes, 2022)
- Elisa Trisolino
- production assistant (7 episodes, 2022)
- Holly Marie Wilson
- Post Accountant (7 episodes, 2022)
- Annie Wood
- voice actor (7 episodes, 2022)
- Amanda Blumenthal
- intimacy coordinator (6 episodes, 2021)
- Jenna DeKeater
- health compliance officer (6 episodes, 2021)
- Jonny Diaz
- production assistant (6 episodes, 2021)
- Zoila Gomez
- production coordinator (6 episodes, 2021)
- Aaron Grossman
- basecamp production assistant: additional photography (6 episodes, 2021)
- Kaitlin Heins
- production assistant (6 episodes, 2021)
- Mahealani Kahala
- assistant production coordinator (6 episodes, 2021)
- Starlani Kahumoku
- Accounting Manager (6 episodes, 2021)
- Madeleine King
- covid production assistant (6 episodes, 2021)
- Nicole M. Lau
- production assistant (6 episodes, 2021)
- Eugene Lew
- production accountant (6 episodes, 2021)
- Phil Maggiacomo
- second assistant accountant (6 episodes, 2021)
- Stacy Parker
- travel coordinator (6 episodes, 2021)
- Kamalu Peters
- set production assistant (6 episodes, 2021)
- Mark Petritz
- marine coordinator (6 episodes, 2021)
- Rachel Sikora
- production assistant (6 episodes, 2021)
- Jason Stancil
- covid pa (6 episodes, 2021)
- Mesha Sternthall
- H&S Set PA (6 episodes, 2021)
- Carly Steyer
- assistant (6 episodes, 2021)
- T. Zach Taylor
- 1st assistant accountant (6 episodes, 2021)
- Kirsten Tobey
- hbo production finance accountant (6 episodes, 2021)
- Simone Bellassai
- Safety diver (6 episodes, 2022)
- Julieta Blázquez
- assistant production coordinator (6 episodes, 2022)
- Mattia Bottazzi
- marine assistant (6 episodes, 2022)
- Roberto Fermo
- safety diver coordinator (6 episodes, 2022)
- Massimiliano Finzi
- Marine supervisor (6 episodes, 2022)
- Valerio Mereghini
- marine assistant (6 episodes, 2022)
- Serena Morrone
- assistant accommodation coordinator (6 episodes, 2022)
- Davide Unich
- marine assistant (6 episodes, 2022)
- Alessandro Alei
- h&s coordinator: bts crew (5 episodes, 2022)
- Peter Arpesella
- voice actor / Voice actor (5 episodes, 2022)
- Dina Morrone
- adr voice actor (5 episodes, 2022)
- Jennifer Cain
- voice actor (4 episodes, 2021)
- Dewisinta Nogi
- Crowd PA (3 episodes, 2022)
- David Thackeray
- intimacy coordinator / Intimacy Coordinator (3 episodes, 2022)
- Francesca Fanti
- voice dubbing (2 episodes, 2022)
- Natalia Castellanos
- ADR Voice Actor (1 episode, 2021)
- Joey Dang
- dance coordinator (1 episode, 2021)
- Nik Shriner
- voice actor (1 episode, 2021)
- Cecilia Alvarenga
- production coordinator (1 episode, 2022)
- Andrea Arena
- production assistant (1 episode, 2022)
- Lorenzo Puccini
- marine coordinator (1 episode, 2022)
- Pietro Zardini
- behind the scenes operator (1 episode, 2022)
- Hunter Barcroft
- Shipping Coordinator (1 episode, 2025)
- Thalia Kursakul
- Stand-In (1 episode, 2025)
- See Sim Lian
- non us payroll accountant (1 episode, 2025)
- Carmen Marina
- Assistant Production Coordinator (1 episode, 2025)
- Jason Martin
- Marine Coordinator (1 episode, 2025)
- Phoebe Phillips
- production coordinator (1 episode, 2025)
- Lakeesha Ransom
- Stand-in: Natasha Rothwell (1 episode, 2025)
- Cod Satrusayang
- Consultant (1 episode, 2025)
- Lauren Tucker
- international travel coordinator (1 episode, 2025)
- Laura Wilcox
- production accountant (1 episode, 2025)
- John Hamilton
- administrator: television and originals, Warner Bros. Home Entertainment (uncredited) (7 episodes, 2022)
