Casper & Nova

Sean Rohani

Prismo (voice)

Ron Perlman

Lich (voice)

Donald Glover

Marshall Lee / Monster Marshall (voice)

Andrew Rannells

Gary Prince / Monster Gary (voice)

Kayleigh McKee

Scarab / Mini Scarabs / Skater Z (voice)

Pendleton Ward

LSP / Ellis P / Norm (voice)

Sean Giambrone

Shermy (voice)

Vico Ortiz

Hunter / Skater Y (voice)

Imani Hakim

Beth (voice)

Dee Bradley Baker

Pageling Dinosaur / Pageling Warrior / Dragon (voice)