EnglishJim Henson as Kermit the Frog/Rowlf/Dr Teeth/Waldorf/Doglion/Li
Frank Oz as Miss Piggy/Fozzie Bear/Animal/Sam the Eagle/Marvin
Richard Hunt as Scooter/Statler/Janice/Sweetums/Beaker
Jerry Nelson as Floyd Pepper/Robin the Frog/Crazy Harry/Lew Zealan
Dave Goelz as The Great Gonzo/Dr Bunsen Honeydew/Zoot/Fozzie Be
Charles Durning as Doc Hopper
Austin Pendleton as Max
Edgar Bergen as Himself/Charlie McCarthy (Special Gue
Milton Berle as Mad Man Mooney (Special Guest Star)
Mel Brooks as Professor Max Krassman (uncrddited) (Special Guest
James Coburn as El Sleezo Cafe Owner (Special Guest Star)
Dom DeLuise as Bernie the Agent (Special Guest Star)
Elliott Gould as Beauty Contest Compere (Special Guest Star)
Bob Hope as Ice Cream Vendor (Special Guest Star)
Madeline Kahn as El Sleezo Patron (Special Guest Star)
Carol Kane as Myth (unccredited) (Special Guest Star)
Cloris Leachman as Lord's Secretary (Special Guest Star)
Steve Martin as Insolent Waiter (Special Guest Star)
Richard Pryor as Balloon Vendor (Special Guest Star)
Telly Savalas as El Sleezo Tough (uncrddited) (Special Guest Star)
Orson Welles as Lew Lord (Special Guest Star)
Paul Williams as El Sleezo Pianist (Special Guest Star)
Scott Walker as Frog Killer
Lawrence Gabriel Jr as Sailor
Ira F Grubman as Bartender
H B Haggerty as Lumberjack
H B Haggerty as Lumberjack
H B Haggerty as Lumberjack
H B Haggerty as Lumberjack
Bruce Kirby as Gate Guard
Tommy Madden as One-Eyed Midget
James Frawley as Waiter
Arnold Roberts as Cowboy
Steve Whitmire as Dr Teeth/Additional Muppet Performer
Kathryn Mullen as Additional Muppet Performer
Bob Payne as Additional Muppet Performer
Eren Ozker as Additional Muppet Performer
Caroly Wilcox as Bert/Ernie /Additional Muppet Performe
Michael Earl Davis as Additional Muppet Performer
Olga Felgemacher as Additional Muppet Performer
Buz Suraci as Additional Muppet Performer
Tony Basilicato as Additional Muppet Performer
Adam Hunt as Additional Muppet Performer
Carroll Spinney as Big Bird
Mark Evanier as Ernie (performer)
John Landis as Grover (performer)
Bruce Schwartz as Additional Muppet Performer