Matthew Wood and David Acord provide the inhuman sounding vocals for the Guavian Death Gang members, repeating their uncredited voice work for Star Wars: Episode VII - The Force Awakens (2015).
Marcus Speedstar has the word 'Speedstar' printed on the side of his racer in Aurebesh lettering, and the Aurebesh letter 'S' on it's wings, on the back of Marcus' jacket as well as the front of his helmet. The cockpit interior is a re-purposed X-Wing fighter cockpit.
The Five Sabers race mentioned by Captain Doza was a competition first mentioned in the 2016 Star Wars novel 'Bloodlines' by Claudia Gray.
The cantina music heard in the cantina originally appeared in the Knights of the Old Republic video game.
Speedstar's mechanic Oplock is a Mountain Nikto, one of several different subspecies that all hail from the planet Kintan. The Mountain Nikto are officially known as Esral'sa'Nikto and speak Cracek rather than basic. Neeku is a Kadas'sa'Nikto, also known as a green Nikto.