Jim Henson
Kermit the Frog / Rowlf the Dog / Dr. Teeth / Swedish Chef / Waldorf / Ernie / Self
Directing
Frank Oz
Miss Piggy / Fozzy Bear / Animal / Sam the Eagle / Bert / Grover / Cookie Monster
Acting
Dave Goelz
Gonzo / Dr. Bunsen Honeydew / Zoot / Beauregard / Boober Fraggle
Acting
Jerry Nelson
Robin the Frog / Camilla the Chicken / Floyd Pepper / Lew Zealand / Pops / The Count / Gobo Fraggle / Herry Monster
Acting
Richard Hunt
Scooter / Janice / Statler / Beaker / Gladys the Cow / Two-Headed Monster / Snowman (voice)
Acting
Kathryn Mullen
Mokey Fraggle (voice)
Acting
Steve Whitmire
Turkey / Rizzo the Rat / Wembley Fraggle / Sprocket the Dog / Lips (voice)
Acting
Caroll Spinney
Big Bird / Oscar the Grouch (voice)
Acting
Karen Prell
Red Fraggle / Maureen the Mink (voice)
Acting
David Rudman
Miss Piggy's Photographer (voice)
Acting
Gerard Parkes
Doc
Acting
Terry Angus
Additional Muppet Performer (uncredited)
Acting
Debra Spinney
Additional Muppet Performer (uncredited)
Crew
Fred Stinson
Additional Muppet Performer (uncredited)
Acting
Bob Stutt
Additional Muppet Performer (uncredited)
Acting