Don Messick
Scooby-Doo (voice) (24 eps)
Casey Kasem
Shaggy (voice) (24 eps)
Frank Welker
Fred Jones (voice) (24 eps)
Nicole Jaffe
Velma (voice) (24 eps)
Heather North
Daphne (voice) (24 eps)
John Stephenson
Mr. Thayer / Duke Jason (voice) (6 eps)
Ted Knight
The Penguin (voice) (4 eps)
Michael Bell
Mark (voice) (4 eps)
Eddie 'Rochester' Anderson
B.J. Mason (voice) (3 eps)
Stu Gilliam
Curly Neal (voice) (3 eps)
Scatman Crothers
Meadowlark Lemon (voice) (3 eps)
Richard Elkins
J.C. 'Gip' Gipson (voice) (3 eps)
Robert DoQui
Pablo Robertson (voice) (3 eps)
Henry Corden
(voices) (3 eps)
Lennie Weinrib
Uncle Nathaniel (voice) (3 eps)
Don Knotts
Don Knotts (voice) (2 eps)
Larry Storch
The Joker (voice) (2 eps)
Daws Butler
Larry / Curly Joe (voice) (2 eps)
Pat Harrington, Jr.
Moe (voice) (2 eps)
Janet Waldo
Grandmama Addams (voice) (2 eps)
Johnny Williams
Geese Ausbie (voice) (2 eps)
Olan Soule
Batman (voice) (2 eps)
Mel Blanc
Speedy Buggy (voice) (2 eps)
Joe Besser
Babu (voice) (1 eps)
Davy Jones
Davy Jones (voice) (1 eps)
Jackie Coogan
Uncle Fester (voice) (1 eps)
Jonathan Winters
Jonathan Winters / Maude Frickert (voice) (1 eps)
Jackie Joseph
Melody Valentine (voice) (1 eps)
John Astin
Gomez Addams (voice) (1 eps)
Bob Hastings
Henry Glopp (voice) (1 eps)
Carolyn Jones
Morticia Addams (voice) (1 eps)
Jodie Foster
Pugsley Addams (voice) (1 eps)
June Foray
Mrs. Baker (voice) (1 eps)
Ted Cassidy
Lurch (voice) (1 eps)
Cindy Henderson
Wednesday Addams (voice) (1 eps)
Phyllis Diller
Phyllis Diller (voice) (1 eps)
Sandy Duncan
Sandy Duncan (voice) (1 eps)
Cher
Cher (voice) (1 eps)
Jim MacGeorge
Oliver Hardy (voice) (1 eps)
Larry Harmon
Stan Laurel (voice) (1 eps)
Jerry Reed
Jerry Reed (voice) (1 eps)
Vincent Van Patten
Bertha (voice) (1 eps)
Cindy Putman
Waitress (voice) (1 eps)
Sherry Alberoni
Alexandra Cabot (voice) (1 eps)
Barbara Pariot
Valerie Brown (voice) (1 eps)
Julie McWhirter
Jeannie (voice) (1 eps)
Don Adams
Don Adams (voice) (1 eps)
Arlene Golonka
Debbie (voice) (1 eps)
Cass Elliot
Cass Elliot (voice) (1 eps)
Dick Van Dyke
Dick Van Dyke (voice) (1 eps)
Joan Gerber
Madame Zokar (voice) (1 eps)
Sonny Bono
Sonny (voice) (1 eps)
Jerry Dexter
Alan (voice) (1 eps)
Mark Hamill
Corey Anders (voice) (1 eps)
Tim Conway
Tim Conway / Mr. Griffith / Mr. Griffith's Twin (voice) (1 eps)