Cassandra (Halloran) Symes (b. November 11, 1985 in Sydney, Australia) is one of the daughters of Donna Halloran and Jessica's sister first seen in Big Red Car and last seen in It's a Wiggly Wiggly World!.
She married Gavin Symes in 2010, has two sons and currently works at Park Lane Jewelry.
- Big Red Car (first appearance)
- Wake Up Jeff!
- Wiggly, Wiggly Christmas
- The Wiggles Movie
- Yummy Yummy (1998 video)
- Wiggle Time! (1998 video)
- The Wiggles Big Show!
- Toot Toot!
- Wiggles World (TV Series)
- The Wiggly Big Show
- Dorothy the Dinosaur Goes to Hospital
- It's a Wiggly Wiggly World! (final appearance)