Jimmy
Jack Wild
Witchiepoo
Billie Hayes
Boss Witch
Martha Raye
Witchiepoo
Billie Hayes*
Witch Hazel (as Mama Cass)
Cass Elliot
Witch Hazel
"Mama" Cass Elliot
H.R. Pufnstuf
Roberto Gamonet
H. R. Pufnstuf / Henrich Rat / Living Island Boat / Orville Pelican / Polka-Dotted Horse / Stupid Bat / West Wind (voice) (as Al Melvin)
Allan Melvin
Googy Gopher / Orville Pelican
Billy Barty
Shirley Pufnstuf
Sharon Baird
Miss Flick
Jane Dulo
Dr. Blinky / Ludicrous Lion / Seymore Spider / Various (voice)
Walker Edmiston
Allison McKay
Dr. Blinky / Ludicrous Lion
Johnny Silver
Freddy the Flute / Googy Gopher / Orson Vulture (voice)
Don Messick
Alarm Clock
Andrew Ratoucheff
Orson / Cling / Various Characters
Joy Campbell
Polkadotted Horse
Felix Silla
Seymore Spider / Clang
Angelo Rossitto
Witch Way
Jan Davis
Witch
Princess Livingston
H.R. Pufnstuf
Van Snowden
Lou Wagner
Hommy Stewart
Alarm Clock
Andy Ratoucheff
Pat Lytell
Dowager Tree / Granddaughter Clock (voice)
Joan Gerber
Buddy Douglas
John Linton
Bob Howland
Scutter McKay
Roberta Keith
Penny Krompier
Brooks Hunnicutt
Jon Linton
Barrie Duffus
Evelyn Dutton
Tony Barro
Ken Creel
Fred Curt
Dennis Edenfield