Jim Henson as Kermit the Frog / Rowlf / Dr. Teeth / Waldorf / Doc Hopper's Men / Link Hogthrob / Swedish Chef (voice)

Frank Oz as Miss Piggy / Fozzie Bear / Animal / Sam the Eagle / Doc Hopper's Men / Marvin Suggs / Swedish Chef (hands) / Motorcycle Guy (voice)

Jerry Nelson as Floyd Pepper / Robin the Frog / Crazy Harry / Lew Zealand / Camilla / Dr. Bunsen Honeydew (assistant) (voice)

Richard Hunt as Scooter / Statler / Janice / Sweetums / Beaker / Fozzie Bear (assistant) (voice)

Dave Goelz as The Great Gonzo / Dr. Bunsen Honeydew / Zoot / Doglion / Iraqian in El Sleezo Cafe / Pig (voice)

Charles Durning as Doc Hopper

Austin Pendleton as Max

Edgar Bergen as Himself / Charlie McCarthy (voice)

Milton Berle as Mad Man Mooney

Mel Brooks as Professor Max Krassman

James Coburn as El Sleezo Cafe Owner

Dom DeLuise as Bernie the Agent

Elliott Gould as Beauty Contest Compere

Bob Hope as Ice Cream Vendor

Madeline Kahn as El Sleezo Patron

Carol Kane as "Myth"

Cloris Leachman as Lord's Secretary

Steve Martin as Insolent Waiter

Richard Pryor as Balloon Vendor

Telly Savalas as El Sleazo Tough

Orson Welles as Lew Lord

Paul Williams as El Sleazo Pianist

Scott Walker as Snake Walker

Lawrence Gabriel Jr. as Sailor

Ira F. Grubman as Bartender

H.B. Haggerty as Lumberjack

Bruce Kirby as Gate Guard

Tommy Madden as One-Eyed Midget

James Frawley as El Sleezo Cafe Waiter

Arnold Roberts as Cowboy

Steve Whitmire as Fletcher Bird / Scooter (assistant) (voice)

Kathryn Mullen as Camilla (assistant)

Bob Payne as Additional Muppet Performer

Eren Ozker as Additional Muppet Performer

Caroly Wilcox as Additional Muppet Performer

Olga Felgemacher as Additional Muppet Performer

Bruce Schwartz as Additional Muppet Performer

Michael Earl as Animal (assistant) / Beaker (assistant) / Big Bird (assistant) / Dr. Teeth (assistant) / Fozzie Bear (assistant) / Janice (assistant) / Scooter (assistant)

Buz Suraci as Additional Muppet Performer

Tony Basilicato as Additional Muppet Performer

Adam Hunt as Additional Muppet Performer

Caroll Spinney as Big Bird (voice)

Fran Allison as Additional Muppet Performer

Sherry Amott as Additional Muppet Performer

Bil Baird as Additional Muppet Performer

Peter Baird as Additional Muppet Performer

Cheryl Blaylock as Additional Muppet Performer

Tim Burton as Additional Muppet Performer

Bruce Chesse as Additional Muppet Performer

Edward G. Christie as Additional Muppet Performer

Melinda Dillon as Woman with Balloon

Roy R. Etherington as Additional Muppet Performer

Faz Fazakas as Additional Muppet Performer

Wayland Flowers as Additional Muppet Performer

Brian Froud as Additional Muppet Performer

John Gilkerson as Additional Muppet Performer

Brian Henson as Additional Muppet Performer

Cheryl Henson as Additional Muppet Performer

Heather Henson as Additional Muppet Performer

Jane Henson as Additional Muppet Performer

John Henson as Additional Muppet Performer

Lisa Henson as Additional Muppet Performer

Phillip Huber as Additional Muppet Performer

Jerry Juhl as Additional Muppet Performer

Frank Kane as Additional Muppet Performer

Paul Kennemore as Additional Muppet Performer

Earl Kress as Additional Muppet Performer

John Landis as Additional Muppet Performer

Ralph Lee as Additional Muppet Performer

Shari Lewis as Additional Muppet Performer

Kermit Love as Additional Muppet Performer

John Lovelady as Additional Muppet Performer

Mahlmann as Additional Muppet Performer

Randal J. Metz as Additional Muppet Performer

Wendy Midener as Additional Muppet Performer

Frances Oznowicz as Additional Muppet Performer

Isidore Oznowicz as Additional Muppet Performer

Harry Sabin as Additional Muppet Performer

Lettie Connell Schubert as Additional Muppet Performer

Burr Tillstrom as Additional Muppet Performer

Alice Tweedy as Additional Muppet Performer

Curt Vig as Additional Muppet Performer

Rik Vig as Additional Muppet Performer

Rick Williamson as Additional Muppet Performer

Paul Zaloom as Additional Muppet Performer

Harry Sabin as Additional Muppet Performer