A blast from Ben's past returning to do double the damage on Team Tennyson and planet Earth itself, forcing Ben to go interstellar to save the day.
Tara Strong | Ben Tennyson (voice) |
Montse Hernandez | Gwen Tennyson (voice) |
David Kaye | Grandpa Ken (voice) |
Dee Bradley Baker | |
Roger Craig Smith | |
Daryl Sabara | |
John DiMaggio | |
Yuri Lowenthal | |
Greg Cipes | |
Todd Haberkorn | |
Travis Willingham | |
Tom Kenny |