Della Duck has faced every danger the moon has to offer to reunite with her family, but her greatest challenge is one she might not be able to fight her way out of.
- David Tennant as Scrooge McDuck
- Danny Pudi as Huey Duck
- Ben Schwartz as Dewey Duck
- Bobby Moynihan as Louie Duck
- Kate Micucci as Webby Vanderquack
- Beck Bennett as Launchpad McQuack
- Toks Olagundoye as Mrs. Beakley
- Paget Brewster as Della Duck
- Tony Anselmo as Donald Duck
- Lance Reddick as Lunaris
- April Winchell as Zenith
- Rob Paulsen as Gibbous
- David Kaye as Duckworth
- Sam Riegel as Gilded Man
- The Sword in the Stone from the 1963 animated film of the same name makes a cameo.
- Della's original names for the boys were intended to be Jet, Turbo, and Rebel.
- More aspects of Launchpad, Beakley, and Duckworth's time as Scrooge's employees were revealed in this episode:
- Mrs. Beakley didn't became Scrooge's housekeeper until after Della's dissapereance.
- Launchpad was hired by Scrooge at some point after Della's dissapereance.
- It is implied that he was hired as Della's remplacement.
- Duckworth was alive by the time Della disapeared.
- The scene in which the kids ask Della about her is similar to the scene in "Woo-oo!" in which they ask Scrooge about him.