The Jedi mission attire was influenced by the robes designed for the Star Wars: The High Republic books and comics set in an earlier time in the same era.
Early versions of the story had Kelnacca hiding on the Wookiee homeworld of Kashyyyk. Instead, the forested planet of Khofar was chosen to explore new corners of the galaxy.
The design of the tree roots in the forest was influenced by a few Ralph McQuarrie paintings, including one that inspired the ice spiders from The Mandalorian.
Bazil is a Tynnan, a species first introduced in publishing in the novel Han Solo's Revenge (1979).
The Kel Dor Jedi who joins the search party is a female of the same species as Jedi Master Plo Koon. Her name is Ithia Paan.
Among the denizens of Coruscant at the spaceport, you may glimpse a Tarlafar. The species, first seen in Solo: A Star Wars Story, most recently appeared in Star Wars: The Bad Batch.
There is a Selkath in the Temple spaceport hallway. The species originated in the Star Wars: Knights of the Old Republic video game (2003).
