Trailer
 | Yuri Lowenthal as Ben Tennyson /Feedback /Sock Vendor (voice) |
 | Ashley Johnson as Gwen Tennyson (voice) |
 | Greg Cipes as Kevin Levin (voice) |
 | Dee Bradley Baker as Heatblast /Eatle /Humungousaur /Jury Rigg /Psyphon /Lodestar /Spidermonkey / NRG /Water Hazard /Psyphon (voice) |
 | Peter Renaday as Sir George (voice) |
 | Vyvan Pham as Julie Yamamoto /Ship (voice) |
 | James Remar as Vilgax (voice) |
 | John DiMaggio as Diagon/ Four Arms /Bubble Helmet /Zombozo / Armodrillo/ Tentacle Vendor (voice) |
 | Scott Menville as Jimmy Jones (voice) |
 | Jeff Bennett as Azmuth (voice) |
 | Tara Strong as Young Ben Tennyson /Pakmar / Alien Mother /Little Girl (voice) |
 | Bumper Robinson as Rook Blonko /Bloxx /Terraspin /Smoothie Vendor (voice) |
 | Paul Eiding as Max Tennyson /Zed /Liam (voice) |
 | David A. Kaye as Cannonbolt /Shocksquatch /Khyber /Cyanic Alien (voice) |
 | Corey Burton as Malware /Mr. Baumann (voice) |
 | Rob Paulsen as Magister Patelliday /Tummyhead /Alien Driver (voice) |
| Writing | |
| Dwayne McDuffie | Writer |
| Matt Wayne | Writer |
| Charlotte Fullerton | Writer |
Directing | |
| Dan Riba | Director |
