Gobo Fraggle / Marjory the Trash Heap (voice)
Boober Fraggle / Philo / Uncle Travelling Matt / World's Oldest Fraggle (voice)
Wembley Fraggle / Sprocket the Dog / Phil Fraggle / Flying Batworm (voice)
Mokey Fraggle (voice)
Red Fraggle (voice)
Junior Gorg / Gunge (voice)
Doc (as Gerry Parkes)
(credit only)
Junior Gorg (as Robert Mills)
(as Gord Robertson) (credit only)
Muppet Performer
Henchy Fraggle (voice)
Morris Fraggle (voice)
Doc (German version)
The Captain (UK version)
Doc (French version)
Phil Fraggle (voice) (uncredited)
Muppet Performer (uncredited)