During the DuckTales panel at San Diego Comic-Con 2019, many of the third season characters additions were presented, including several characters from Disney Afternoon and other Disney Television Animation series: Chip, Dale, Gadget Hackwrench, Monterey Jack, and Zipper from Chip 'n Dale: Rescue Rangers; Goofy from Goof Troop; adult versions of Kit Cloudkicker and Molly Cunningham from TaleSpin; Gosalyn Mallard and Taurus Bulba from Darkwing Duck; Rhinokey and Butterbear from The Wuzzles; and Daisy Duck from Quack Pack and other Disney productions. Additionally, the rebooted version of Gene the Genie from DuckTales the Movie: Treasure of the Lost Lamp was shown, as was the full version of Santa Claus, a character which has been referenced since Season 1.
Cast and characters
- 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
- Tony Anselmo as Donald Duck
- Paget Brewster as Della Duck
Recurring/Guest Cast 
- Giancarlo Esposito
- Selma Blair
- Kristofer Hivju
- Bebe Neuwirth
- Retta as the Mystical Harp
- Stephanie Beatriz
- Jaleel White
- Doug Jones
- Clancy Brown
- James Marsters
- Hugh Bonneville
- Abby Ryder-Fortson
- Tress MacNeille as Daisy Duck
- Bill Farmer as Goofy
- James Monroe Iglehart
- Adam Pally
- Bernardo De Paula as José Carioca
- Arturo Del Puerto as Panchito Pistoles
- Don Cheadle as Donald Duck
- Lin Manuel-Miranda as Fenton Crackshell-Cabrera/Gizmoduck
- Chris Diamantopoulos as Drake Mallard/Darkwing Duck, Storkules
- Jameela Jamil as Gandra Dee
- Jaime Camil as Don Karnage
- Catherine Tate as Magica De Spell
- Keith Ferguson as Flintheart Glomgold
- Stephen Root as Junior Woodchuck Guidebook
- Nicholas Cantu as B.O.Y.D.
- Kimiko Glenn as Lena De Spell
- Libe Barer as Violet Sabrewing
- Nia Vardalos as Selene
- Margo Martindale as Ma Beagle
|1||Challenge of the Senior Junior Woodchucks!||April 4, 2020|
|2||Quack Pack!||April 4, 2020|
|3||Double-O-Duck in You Only Crash Twice!||April 11, 2020|
|4||The Lost Harp of Mervana!||April 18, 2020|
|5||Louie's Eleven!||April 25, 2020|
|6||Astro B.O.Y.D.!||May 2, 2020|
|7||The Rumble for Ragnarok!||May 9, 2020|
|TBA||Untitled Halloween Special||TBA|
|TBA||Untitled Christmas Special||TBA|
- Della has been promoted to the main cast.
- The show has returned to Disney XD for this season after becoming a Disney Channel series in the middle of Season 1.
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 Twitter - Disney TVA.
- ↑ 2.0 2.1 2.2 Walt Disney Television Press - Season Three of Emmy® Award-Nominated ‘DuckTales’ Premieres Saturday, April 4, on Disney XD and DisneyNOW.
- ↑ 3.0 3.1 Frank Angones and the Suspenders of Disbelief - I have a little theory that you guys ran into some production issues with S3 and that is why it has been delayed to Who-knowsbruary, 2020. Can you confirm or deny that?.