Castas was a male Klatooinian bounty hunter who worked with Aurra Sing, Bossk, and young Boba Fett during the Clone Wars, helping Boba track and kill Jedi Master Mace Windu. He was later killed by Aurra at a bar on Florrum.
- Star Wars: The Clone Wars – "R2 Come Home" (First appearance)
- Star Wars: The Clone Wars – "Lethal Trackdown"
- Star Wars: Absolutely Everything You Need to Know
- Star Wars Character Encyclopedia: Updated and Expanded