Anthony Daniels and Billy Dee Williams are the only actors from the original trilogy to reprise their roles.
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.
When Finn is approached by the ghost of Obi-Wan at the bar, he is drinking a "Yerdua Poison-Spitter Drop". This drink is available at "Star Wars: Galactic Starcruiser" at Walt Disney World.
The Aurebesh text on the large banner held up by Jawas outside Jabba's palace translates to "Happy Birthday, Jabba".
WILHELM SCREAM: yelled by Imperial pilot on Empire Day.