Alex Hirsch

Bill Cipher (voice)

Toby Matthews (voice)

Officer Concord (voice)

Internet Troll (voice)

Grunkle Stan / Soos Ramirez / Old Man McGucket (voice)

Ben Fotino (voice)

King / Hooty (voice)

The Curator/Frog Soos (voice)

Old Man / Soosy Du (voice)

Clamantha (voice)

Grassy Noel Atkinson (voice)

P.J. / Paul Rudd (voice)

Additional Voices (voice)

Justin Timberlake / Prom King (voice)

Grassy Noel (voice)

Steve (voice)

Bossy Goon / Scumbug (voice)

Dirk (voice)

Grunkle Stan / Hooty (voice)

Grunkle Stan (voice)

Munkustrap

Munkustrap (Voice)

Himself/Grunkle Stan (Voice)/Soos (Voice)/Bill Cipher (Voice)/Quentin Trembley (Voice)/Old Man McGucket (Voice)

Chompers (voice)