Cassie is a human character.


Cassie is a smart and a bit devious child. She is a bit nerdy. She likes to read the Percy Jackson and The Olympians and Heroes of Olympus  book series. She also has very little in common with her best friends, Jacob, Sierra , and Kira. She also tries to make Jacob's little sister, Caroline in her image. Her favorite colors are black, blue and red. Her favorite engines are Diesel and Diesel 10.


Season 1

  • Childhood Memories (mentioned)
  • Cassie's Birthday Surprise
  • Rosie, Jacob, Sierra, and the Troublesome Trucks


  • The Search For The Controllers Part 2
  • The Search For The Controllers Part 3

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