The Epic Tales of Captain Underpants in Space

Sean Astin
Narrator (voice) / Mr. Gigglenose (voice) / Abraham Lincoln (voice)

Nat Faxon
Captain Underpants / Mr. Krupp (voice) / Captain Pandernuts / Purpk (voice)

Jay Gragnani
Harold (voice) / Dohlar (voice)

Ramone Hamilton
George (voice) / Greego (voice)

Secunda Wood
Moxie Swaggerman / Hailey Comett (voice) / Moxie Swaggerman / Xemio (voice)

David Koechner
Sqworg (voice) / Mr. Meaner / Sqworg (voice) / Mr. Meaner / Mr. Nearme (voice)

Nolan North
Dr. Shifty Fitzgibbons / Jett Wingman (voice) / Dr. Shifty Fitzgibbons / Jett Wi...

Gary Anthony Williams
Dupe Licitous (voice)

Jorge Diaz
Livmen / Stewart / Statrew (voice)

Erica Luttrell
Arice (voice)

Laraine Newman
Elbrib (voice)