Jeff Bergman
Yogi Bear / Wally Gator / Mr Jinx (voice) (57 eps)
C.H. Greenblatt
Boo Boo / Benny / Doggie Daddy / Peter Potamus (voice) (57 eps)
Jim Conroy
Huckleberry Hound / Captain Caveman / Pa Rugg / ... (voice) (57 eps)
Georgie Kidder
Auggie Doggie / Brain / Floral Rugg (voice) (57 eps)
Grace Helbig
Cindy Bear / Yappy / Taffy / Granny Sweet (voice) (57 eps)
Niccole Thurman
Jabberjaw / Squiddly Diddly / Dee Dee Sykes (voice) (57 eps)
Thomas Lennon
Top Cat (voice) (57 eps)
Ron Funches
Shag Rugg (voice) (57 eps)
Bernardo de Paula
El Kabong / Mildew Wolf (voice) (57 eps)
Dana Snyder
Snagglepuss / Touché Turtle / Lambsy (voice) (57 eps)
Paul F. Tompkins
Magilla Gorilla (voice) (57 eps)
Jenny Lorenzo
Bobbie Looey / Hardy Har Har / Choo Choo (voice) (57 eps)
Ulka Simone Mohanty
Loopy De Loop (voice) (57 eps)
Fajer Kaisi
Shazzan / Hadji (voice) (57 eps)
Lesley Nicol
Winsome Witch (voice) (57 eps)
Andrew Frankel
Fancy Fancy / Jonny Quest (voice) (57 eps)
Angelique Perrin
Chopper (voice) (57 eps)
Oscar Daniel Reyez
Ruff (voice) (57 eps)
Jakari Fraser
Reddy (voice) (57 eps)
Katie Grober
Yakky Doodle (voice) (57 eps)
George Takei
SoSo (voice) (1 eps)
Rob Riggle
Blue Falcon (voice) (1 eps)
Melissa Villaseñor
Susan the Guitar (voice) (1 eps)
Annie Mumolo
Jane Jetson / Rosie (voice) (1 eps)
George Lowe
Space Ghost (voice) (1 eps)
Andy Merrill
Brak / Jace (voice) (1 eps)
Dwight Schultz
Dick Dastardly / Dinky Dalton (voice) (1 eps)
Matthew Lillard
Shaggy (voice) (1 eps)
Frank Welker
Fred (voice) (1 eps)
Kate Micucci
Velma (voice) (1 eps)
SungWon Cho
Little Rok (voice) (1 eps)