Anthony Daniels and Billy Dee Williams are the only actors from the original trilogy to reprise their roles.
WILHELM SCREAM: yelled by Imperial pilot on Empire Day.
Four actors from Star Wars: The Clone Wars (2008) voice characters. James Arnold Taylor and Matt Lanter reprise their roles as Obi-Wan Kenobi and Anakin Skywalker respectively. Dee Bradley Baker who has previously voiced Captain Rex, Commander Cody and Clone Troopers voices an adult Boba Fett: Fett is an unaltered clone and the son of the clone template, Jango Fett. Matthew Wood voices Ben Solo.
The horizontal Aurebesh letters on the flag on Mimbam translate to 'Mimbam'. The text on the T-Shirts that are being sold nearby reads "I (mud splatter in the shape of a heart) mud."
The Aurebesh text on the large banner held up by Jawas outside Jabba's palace translates to "Happy Birthday, Jabba".