Lilli Cooper
Doc (27 eps)
John Tartaglia
Gobo Fraggle (voice) (27 eps)
Dave Goelz
Boober Fraggle (voice) (27 eps)
Jordan Lockhart
Wembley Fraggle (voice) (27 eps)
Karen Prell
Red Fraggle (voice) (14 eps)
Donna Kimball
Mokey Fraggle (voice) (14 eps)
Andy Hayward
Pa Gorg (body) / Wrench / Featured Puppeteer / ... (14 eps)
Ali Eisner
Turbo / Featured Puppeteer / Balsam / ... (14 eps)
Ed Helms
Lyle Craggle (voice) (2 eps)
Kenan Thompson
Jack Hammer (voice) (1 eps)