Kermit the Frog / Rowlf / Dr. Teeth / Waldorf / Swedish Chef / Link Hogthrob / Doc Hopper's Men (voice)
Miss Piggy / Fozzie Bear / Animal / Sam the Eagle / Doc Hopper's Men / Marvin Suggs / Swedish Chef (assistant) / Motorcycle Guy (voice)
Floyd Pepper / Crazy Harry / Robin the Frog / Lew Zealand / Camilla / Blue Frackle (voice)
Scooter / Statler / Janice / Sweetums / Beaker / Fozzie Bear (assistant) (voice)
The Great Gonzo / Zoot / Dr. Bunsen Honeydew / Doglion / Iraqian in El Sleezo Cafe / Nigel / Pig (voice)
Doc Hopper
Max
Self / Charlie McCarthy
Mad Man Mooney
Professor Max Krassman
El Sleezo Cafe Owner
Bernie the Agent
Beauty Contest Compere
Ice Cream Vendor
El Sleezo Patron
Myth
Lord's Secretary
Insolent Waiter
Balloon Vendor
El Sleezo Tough
Lew Lord
El Sleezo Pianist
Frog Killer
Sailor
Bartender
Lumberjack
Gate Guard
One-Eyed Midget
Waiter
Cowboy
Fletcher Bird / Scooter (assistant) (voice)
Camilla (assistant)
Muppet Performer
Animal (assistant) / Beaker (assistant) / Big Bird (assistant) / Dr. Teeth (assistant) / Fozzie Bear (assistant) / Janice (assistant) / Scooter (assistant) (as Michael Davis)
Big Bird (voice) (as Carroll Spinney)
Muppet Performer (uncredited)
Muppet Performer / Little Bird / Tessie Twiddlebug (uncredited)
Muppet Performer / Catgut (uncredited)
Woman with Balloon (uncredited)
Band member (uncredited)
Ernie / Bert (uncredited)
Grover (uncredited)
Themselves (uncredited)
Muppet Performer / Emmet Otter (uncredited)
Muppet Performer / Ma Otter (uncredited)
Muppet Performer / Pigs in Space D & E (uncredited)
Muppet Performer / J.P. Gross (uncredited)