Cast and credits of Grundgetta Gets Nice Lessons

Pam Arciero
Grungetta (voice)

Alison Bartlett
Gina

Camille Bonora
Additional Anything Muppets (voice)

Fran Brill
Arlene Frantic (voice)

Jim Henson
Ernie / Guy Smiley / Spaceship Surprise Captain (voice)

Richard Hunt
Spaceship Surprise Mate (voice)

Jerry Nelson
Professor Huggins / Trevor Trout / Mr. Foot / Cartoon Mouse / Announcer (voice)

Frank Oz
Bert / Professor Hastings (voice)

Martin P. Robinson
Spaceship Surprise Narrator / Additional Anything Muppets (voice)

David Rudman
Additional Anything Muppets (voice)

Caroll Spinney
Bennett Snerf (voice)