The evil wizard Gargamel--who hates spring because it makes the Smurfs happy, and he hates happy--devises a scheme to put Mother Nature to sleep.
Lucille Bliss
as Smurfette (voice)
William Callaway
as Clumsy Smurf (voice)
Frank Welker
as Hefty Smurf (voice)
Alan Oppenheimer
as Vanity Smurf (voice)
Michael Bell
as Grouchy Smurf (voice)
June Foray
as Jokey Smurf / Mother Nature (voice)
Paul Winchell
as Gargamel (voice)
