| Jim Henson | Kermit the Frog / Rowlf / Dr. Teeth / Waldorf / Doc Hopper's Men / Link Hogthrob / Swedish Chef (voice) |
| Frank Oz | Miss Piggy / Fozzie Bear / Animal / Sam the Eagle / Doc Hopper's Men / Marvin Suggs / Swedish Chef (hands) / Motorcycle Guy (voice) |
| Jerry Nelson | Floyd Pepper / Robin the Frog / Crazy Harry / Lew Zealand / Camilla / Dr. Bunsen Honeydew (assistant) (voice) |
| Richard Hunt | Scooter / Statler / Janice / Sweetums / Beaker / Fozzie Bear (assistant) (voice) |
| Dave Goelz | The Great Gonzo / Dr. Bunsen Honeydew / Zoot / Doglion / Iraqian in El Sleezo Cafe / Pig (voice) |
| Charles Durning | Doc Hopper |
| Austin Pendleton | Max |
| Edgar Bergen | Himself / Charlie McCarthy (voice) |
| Milton Berle | Mad Man Mooney |
| Mel Brooks | Professor Max Krassman |
| James Coburn | El Sleezo Cafe Owner |
| Dom DeLuise | Bernie the Agent |
| Elliott Gould | Beauty Contest Compere |
| Bob Hope | Ice Cream Vendor |
| Madeline Kahn | El Sleezo Patron |
| Carol Kane | "Myth" |
| Cloris Leachman | Miss Tracy |
| Steve Martin | Insolent Waiter |
| Richard Pryor | Balloon Vendor |
| Telly Savalas | El Sleazo Tough |
| Orson Welles | Lew Lord |
| Paul Williams | El Sleazo Pianist |
| Scott Walker | Snake Walker |
| Lawrence Gabriel Jr. | Sailor |
| Ira F. Grubman | Bartender |
| H.B. Haggerty | Lumberjack |
| Bruce Kirby | Gate Guard |
| Tommy Madden | One-Eyed Midget |
| James Frawley | El Sleezo Cafe Waiter |
| Arnold Roberts | Cowboy |
| Steve Whitmire | Fletcher Bird / Scooter (assistant) (voice) |
| Kathryn Mullen | Camilla (assistant) |
| Bob Payne | Additional Muppet Performer |
| Eren Ozker | Additional Muppet Performer |
| Caroly Wilcox | Additional Muppet Performer |
| Olga Felgemacher | Additional Muppet Performer |
| Bruce Schwartz | Additional Muppet Performer |
| Michael Earl | Animal (assistant) / Beaker (assistant) / Big Bird (assistant) / Dr. Teeth (assistant) / Fozzie Bear (assistant) / Janice (assistant) / Scooter (assistant) |
| Buz Suraci | Additional Muppet Performer |
| Tony Basilicato | Additional Muppet Performer |
| Adam Hunt | Additional Muppet Performer |
| Caroll Spinney | Big Bird (voice) |
| Fran Allison | Additional Muppet Performer |
| Sherry Amott | Additional Muppet Performer |
| Bil Baird | Additional Muppet Performer |
| Peter Baird | Additional Muppet Performer |
| Bob Baker | Additional Muppet Performer |
| Cheryl Blaylock | Additional Muppet Performer |
| Tim Burton | Additional Muppet Performer |
| Bruce Chesse | Additional Muppet Performer |
| Edward G. Christie | Additional Muppet Performer |
| Melinda Dillon | Woman with Balloon |
| Roy R. Etherington | Additional Muppet Performer |
| Faz Fazakas | Additional Muppet Performer |
| Wayland Flowers | Additional Muppet Performer |
| Brian Froud | Additional Muppet Performer |
| John Gilkerson | Additional Muppet Performer |
| Brian Henson | Additional Muppet Performer |
| Cheryl Henson | Additional Muppet Performer |
| Heather Henson | Additional Muppet Performer |
| Jane Henson | Additional Muppet Performer |
| John Henson | Additional Muppet Performer |
| Lisa Henson | Additional Muppet Performer |
| Phillip Huber | Additional Muppet Performer |
| Jerry Juhl | Additional Muppet Performer |
| Frank Kane | Additional Muppet Performer |
| Paul Kennemore | Additional Muppet Performer |
| Earl Kress | Additional Muppet Performer |
| John Landis | Additional Muppet Performer |
| Ralph Lee | Additional Muppet Performer |
| Shari Lewis | Additional Muppet Performer |
| Kermit Love | Additional Muppet Performer |
| John Lovelady | Additional Muppet Performer |
| Mahlmann | Additional Muppet Performer |
| Randal J. Metz | Additional Muppet Performer |
| Wendy Midener | Additional Muppet Performer |
| Frances Oznowicz | Additional Muppet Performer |
| Isidore Oznowicz | Additional Muppet Performer |
| Harry Sabin | Additional Muppet Performer |
| Lettie Connell Schubert | Additional Muppet Performer |
| Burr Tillstrom | Additional Muppet Performer |
| Alice Tweedy | Additional Muppet Performer |
| Curt Vig | Additional Muppet Performer |
| Rik Vig | Additional Muppet Performer |
| Rick Williamson | Additional Muppet Performer |
| Paul Zaloom | Additional Muppet Performer |