Jack Wild

Jimmy

Billie Hayes

Witchiepoo

Martha Raye

Boss Witch

Cass Elliot

Witch Hazel (as Mama Cass)

Allan Melvin

H. R. Pufnstuf / Henrich Rat / Living Island Boat / Orville Pelican / Polka-Dotted Horse / Stupid Bat / West Wind (voice) (as Al Melvin)

Walker Edmiston

Dr. Blinky / Ludicrous Lion / Seymore Spider / Various (voice)

Don Messick

Freddy the Flute / Googy Gopher / Orson Vulture (voice)

Roberto Gamonet

H.R. Pufnstuf

Billy Barty

Googy Gopher / Orville Pelican

Angelo Rossitto

Seymore Spider / Clang