Rachael Louise Miller (born in Lancashire, England, UK on 12 April 1982) is a British actress who joined the voice cast of of Thomas & Friends in Big World! Big Adventures!. Miller is married to fellow Thomas voice actor Christopher Ragland, and can speak fluent French. Miller also provided voice acting work in “Angelina Ballerina: The Next Steps”, as the voice of Alice.



  • Rebecca
  • Angelique
  • Isla
  • The Teacher (Series 22)
  • Madeleine
  • Dr. Hetty
  • Some passengers (Outback Thomas)
  • Dr. Hetty
  • Some Passengers (Outback Thomas and A New Arrival)
  • The Young Prince (Thomas and the Royal Engine)
  • Little Thomas
  • Some Children (James the Super Engine, Cleo's First Snow and Thomas' Animal Friends)

Online videos and additional content

  • Rosie (Thomas' Magical Birthday Wishes)
  • Belle (Thomas' Magical Birthday Wishes)
  • Golden Steam Engine (Thomas and the Beanstalk)
  • Henrietta (Thomas' Magical Birthday Wishes)



  • Paint Job (2009)
  • Postman Pat: The Movie (2014)


  • That’s English (2001)
  • Angelina Ballerina: The Next Steps (2009-2017)
  • Thomas & Friends: Big World! Big Adventures! (2018-present)

Video Games

  • Disney Universe (2011)
  • Eyepets (2011)
  • Sherlock Holmes: The Devil’s Daughter (2016)
  • Black Mirror (2016)
  • Total War (2016-2017)
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