Season Regulars 7

1. 

   Nat Faxon

   Captain Underpants / Mr. Krupp (voice)

2. 

   Jay Gragnani

   Harold (voice)

3. 

   Ramone Hamilton

   George (voice)

4. 

   Sean Astin

   Narrator (voice)

5. 

   Peter Hastings

   Comic Narrator (voice)

6. 

   Jorge Diaz

   Melvin / Melvinborg (voice)

7. 

   Dayci Brookshire

   Jessica / Dressy (voice)

Guest Stars 0

There are no cast records added to Captain Underpants and the Costly Conundrum of the Calamitous Claylossus.

Crew 0

There are no crew records added to Captain Underpants and the Costly Conundrum of the Calamitous Claylossus.