David "Dave" Peacock was the voice director for Hero of the Rails and the thirteenth season. Sharon Miller took over as voice director from Misty Island Rescue onwards. He and Sharon worked on the series up until he left in 2013. He was also the studio manager for The Sound Company from 1996 until 2013.
Other credits include: "Phineas and Ferb", "Ben and Holly's Little Kingdom", "Henry Hugglemonster", "Thunderbirds Are Go", "The Octonauts", "The Mr. Men Show", "Noddy in Toyland", "9", "Gnomeo and Juliet" and "Arthur Christmas".
- He, Dave Ingham, Paul Dawson, Michael Carrington, John Gilluley, Rob Rackstraw, Keith Wickham and Susan Roman all worked on "The Koala Brothers".
- He, Nigel Pilkington and Teresa Gallagher all worked on "The Jungle Book".
- He, Rasmus Hardiker, David Menkin, Teresa Gallagher, William Hope, Bob Golding, Togo Igawa, Nick Ostler, Mark Huckerby, Gilan Shachaf, Saar Badishi and Yehonatan Magon have worked on "Thunderbirds Are Go". There have also been several other people that have worked on other parts of the Thunderbirds franchise:
- He and Teresa Gallagher both worked on "Henry Hugglemonster".
- He, Teresa Gallagher, Rob Rackstraw, Keith Wickham, Dave Ingham, Davey Moore, Mark Huckerby and Nick Ostler all worked on "The Octonauts".
- He, Kerry Shale and David Menkin all worked on "Arthur Christmas".
- He, Adam Beck, Chiara Gioncardi, Jukka Voutilainen, Rob Silvestri, Alan Kennedy, John Hasler, Albert Cohen, Elina Iskoz, David Stoten, Dino Athanassiou, Hadar Shachaf Ma'ayan, Edson Matus, Jarosław Boberek, Ryan Quaglia and Jesse Lickman all worked on "Gnomeo and Juliet".