- "Major Dayja Collerand, Imperial Security Bureau."
- ―Dayja Collerand
Dayja Collerand was a male major in the Galactic Empire's Imperial Security Bureau. As a favor for Grand Admiral Balanhai Savit, Collerand went undercover, using the alias "Mole," in the town of Tiquwe on Aloxor in order to learn about pirate gangs. He encountered Lieutenant Commander Eli Vanto and Assistant Director Brierly Ronan, who had been captured by criminals while attempting to look into a conspiracy involving stolen components intended for Project Stardust.
- Thrawn: Treason (First appearance, simultaneous with Thrawn: Treason audiobook)
- Thrawn: Treason audiobook (First appearance, simultaneous with Thrawn: Treason)