Jules de Jongh (born in California) is a British-based American actress, voice actress, singer, television and radio presenter who provides voices for the UK and US dubs of Thomas & Friends.

Jules provides voices in other shows such as Viki and Marco in the US version of "Angelina Ballerina" as well as Lieutenant Green in Gerry Anderson's 2005 reboot of his 1968 series "Captain Scarlet", and Yugo and Evangelyne in "Wakfu". She also provides voices in video games such as "Burnout", "Need for Speed", "Moon Tycoon", "Killzone", "Lego City Undercover" and "Batman: Arkham Knight".

She has narrated several productions for Channel Five in the UK.







  • Grim (1995)
  • When I Stand on the Moon (2010)
  • Unearthed (2010)
  • Madagascar 3: Europe's Most Wanted (2012)
  • Angelina Ballerina:
    • Love to Dance (2010)
    • Ballet Dreams (2011)
    • Pop Star Girls (2011)
    • Dancing on Ice (2011)
    • Sweet Valentine (2012)
    • Musical Moves (2012)
    • Dreams Do Come True (2012)
    • Superstar Sisters (2012)
    • Dance Around the World (2013)
    • Mouseling Mysteries (2013)
    • Mousical Medleys (2013)


  • Xcalibur (2001)
  • Captain Scarlet (2005)
  • Mama Mirabelle's Home Movies (2007-2008)
  • Skunk Fu! (2007-2008)
  • Chop Socky Chooks (2008)
  • Thomas & Friends (2009-present)
  • Poppy Cat (2011)
  • Blake: Double Identity (2011)
  • NOKSU (2011)
  • Lucky Fred (2011)
  • Invizimals (2013-2014)
  • Floogals (2016-present)


  • Bud Tucker in Double Trouble (1996)
  • Moon Tycoon (2001)
  • Alias (2004)
  • X3: Reunion (2005)
  • The Witcher (2007)
  • Age of Conan: Hyborian Adventures (2008)
  • So Blonde (2008)
  • Mirror's Edge (2008)
  • Killzone 2 (2009)
  • Overlord II (2009)
  • Kinect Sports (2010)
  • Need for Speed: Hot Pursuit (2010)
  • Dead Nation (2010)
  • Driver: San Francisco (2011)
  • Kinect Disneyland Adventures (2011)
  • Ni No Kuni: Wrath of the White Witch (2011)
  • Lego City Undercover (2013)
  • Jack Keane 2: The Fire Within (2013)
  • Puppeteer (2013)
  • Killzone: Shadow Fall (2013)
  • Batman: Arkham Knight (2015)
  • Thomas and Friends: Talk to You (2015)
  • Batman: Arkham VR (2016)
  • Lego Marvel Super Heroes 2(2017)
  • Xenoblade Chronicles 2 (2017)


  • Both she and Ben Small voiced characters from "The Haunted Pumpkin of Sleepy Hollow".
  • Both she and Teresa Gallagher voiced characters from "Mama Mirabelle's Home Movies".
  • She and Nigel Plaskitt worked together on "New Captain Scarlet".
  • She, along with Kerry Shale and David Holt voiced characters in "Puppeteer".
  • She, Kerry Shale, David Menkin, and Joseph May voiced the DC characters from "LittleBigPlanet 2".
    • In addition, she and Shale have provided voices in "Lego Ninjago: Nindroids", "Lego Ninjago: Shadow of Ronin" and "Batman: Arkham Knight".
  • Both she and Rufus Jones have voiced characters in "Killzone 2" and the "Xenoblade Chronicles" franchise.
  • Both she and Keiko Toda voiced Kate from "Hot Shots Golf: Out of Bounds" in their respective languages.
  • Both she and Rachael Miller voiced characters in “Angelina Ballerina: The Next Steps”.
    • Likewise, she and Irwin Daayán voiced Marco from "Angelina Ballerina: The Next Steps" in their respective languages.
  • Both she and Glenn Wrage provided voices for the Electronic Arts/DICE video game "Mirror's Edge" with her providing the voice of main character Faith Connors and Wrage as her mentor Mercury.
  • She, Rupert Degas, William Hope, Christopher Ragland and Martin Sherman all voiced characters in "Driver: San Francisco".
  • She and Christopher Ragland both voiced characters in "My Knight and Me".
  • She, Rasmus Hardiker and David Menkin voice characters in "Floogals". Michael Carrington, Matt Porter, Jessica Kedward and Kirsty Peart also work on the show.
  • She and Clive Mantle both provided voices for "Mass Effect Andromeda".
  • She, Gallagher, Hardiker, and Bob Golding had roles in the anime series "Ronja, the Robber's Daughter" in the English dub.

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