Danny DeVito
Grundle King (voice)
Madeline Kahn
Draggle (voice)
Cloris Leachman
Hydia (voice)
Rhea Perlman
Reeka (voice)
Tony Randall
Moochick (voice)
Tammy Amerson
Megan (voice)
Jon Bauman
Smooze (voice)
Alice Playten
Baby Lickety Split (voice)
Charlie Adler
Spike (voice)
Sheryl Bernstein
Buttons / Woodland Creature / Bushwoolie (voice)
Susan Blu
Lofty / Grundle / Bushwoolie (voice)
Cathy Cavadini
North Star (voice)
Nancy Cartwright
Gusty (voice)
Peter Cullen
Ahgg (voice)
Sherry Lynn
Galaxy (voice)
Mike Bell
Grundle (voice)