Cassian flies the TIE prototype without wearing the helmet, suggesting the cabin is pressurised.
Mon Mothma's aide, Erskin Semaj, played here by Pierro Niel-Mee, previously appeared in animated form in Star Wars: Rebels (2014), making his first appearance in Secret Cargo (2017). At that time he was voiced by Josh Brener. His name was based on Lucasfilm Story Editor James Erskine.
After Andor steals the TIE Avenger, he is pursued by two TIE Advanced v1s. This variant of the TIE Fighter was introduced in Star Wars: Rebels (2014): Empire Day (2014) and was usually reserved for use by Inquisitors.
The first ever Star Wars episode of any of the shows to not feature any sentient species other than humans.
The actors playing Bardi and Gerdis are relatives by marriage. Benjamin Norris (Bardi) is married to Sam Gilroy (Gerdis) first cousin, Carolyn. Also, René Russo is an aunt of Carolyn and Sam.