Sam Witwer, the voice of The Son, was the voice of Galen Marek/Starkiller in the Star Wars: The Force Unleashed (2008) video games, later provided the voice of Darth Maul in Seasons 4 and 5 and would also voice Darth Maul and Emperor Palpatine in Lego Star Wars: The Empire Strikes Out (2012) and Star Wars: Rebels (2014).
Adrienne Wilkinson, the voice of The Daughter, was the voice of Maris Brood in the Star Wars: The Force Unleashed (2008) video games.
Obi-wan says that Anakin is "always on the move", like he said in Star Wars: Episode III - Revenge of the Sith (2005) as well.
The 'Jedi fortune cookie' message that opens the show reads "He who surrenders hope, surrenders life."
In the beginning, When the Son says "we will destroy and the sith and the Jedi" he channels the voice of the emperor.