Stranger (voice)
René Auberjonois
(voice)
Michael Bell
Henry Polic II
Gwenevere (voice)
Alexandra Stoddart
Gargamel (voice)
Paul Winchell
Smurfette (voice)
Lucille Bliss
William Callaway
Hamilton Camp
June Foray
Brainy Smurf (voice)
Danny Goldman
William (voice)
David Mendenhall
Papa Smurf / Azrael the Cat (voice)
Don Messick
Alan Oppenheimer
Executive Producer
William Hanna
Original Music Composer
Hoyt Curtin
Story
Peyo
Characters
Comic Book
Joseph Barbera
Editor
Gil Iverson
Teleplay
Len Janson
Producer
Gerard Baldwin
Yvan Delporte
Chuck Menville
Director