 Jim HensonKermit the Frog / Rowlf / Dr. Teeth / Waldorf / Swedish Chef / Ernie / Granny / Horse & Carriage Rider / Link Hogthrob / The Newsman (voice) | Kermit the Frog / Rowlf / Dr. Teeth / Waldorf / Swedish Chef / Ernie / Granny / Horse & Carriage Rider / Link Hogthrob / The Newsman (voice) |
 Frank OzMiss Piggy / Fozzie / Animal / Bert / Cookie Monster / Ocean Breeze Soap Board Member / Sam the Eagle (voice) | Miss Piggy / Fozzie / Animal / Bert / Cookie Monster / Ocean Breeze Soap Board Member / Sam the Eagle (voice) |
 Dave GoelzGonzo / Chester - Rat / Bill - Frog / Zoot / Beauregard / Dog / Dr. Bunsen Honeydew / Penguin (voice) | Gonzo / Chester - Rat / Bill - Frog / Zoot / Beauregard / Dog / Dr. Bunsen Honeydew / Penguin (voice) |
 Steve WhitmireRizzo the Rat / Gill - Frog / Baby Kermit / Chicken / College Student in Audience / Dog / Lew Zealand (voice) | Rizzo the Rat / Gill - Frog / Baby Kermit / Chicken / College Student in Audience / Dog / Lew Zealand (voice) |
 Richard HuntScooter / Statler / Janice / Beaker / Dog (voice) | Scooter / Statler / Janice / Beaker / Dog (voice) |
 Jerry NelsonCamilla / Lew Zealand / Floyd / Bear / Chicken / Crazy Harry / Dog / Dr. Julias Strangepork / Granny / Penguin / Pops / The Count (voice) | Camilla / Lew Zealand / Floyd / Bear / Chicken / Crazy Harry / Dog / Dr. Julias Strangepork / Granny / Penguin / Pops / The Count (voice) |
 Juliana DonaldJenny | Jenny |
 Lonny PriceRonnie | Ronnie |
 Louis ZorichPete | Pete |
 Art CarneyBernard Crawford | Bernard Crawford |
 James CocoMr. Skeffington | Mr. Skeffington |
 Dabney ColemanMartin Price | Martin Price |
 Gregory HinesRollerskater | Rollerskater |
 Linda LavinKermit's Doctor | Kermit's Doctor |
 Joan RiversPerfume Saleswoman | Perfume Saleswoman |
 Elliott GouldCop in Pete's | Cop in Pete's |
 Liza MinnelliSelf | Self |
 Brooke ShieldsCustomer in Pete's | Customer in Pete's |
 Frances BergenLeonard Winesop's Receptionist | Leonard Winesop's Receptionist |
 Ed KochSelf (as The Honorable Edward I. Koch) | Self (as The Honorable Edward I. Koch) |
 John LandisLeonard Winesop | Leonard Winesop |
| VVincent Sardi Jr.Self | Self |
 Kathryn MullenJill the Frog (voice) | Jill the Frog (voice) |
 Karen PrellYolanda the Rat / Frank the Dog / Helpful Woman in Park (voice) | Yolanda the Rat / Frank the Dog / Helpful Woman in Park (voice) |
 Brian MuehlTatooey the Rat / Bear / Dog (voice) | Tatooey the Rat / Bear / Dog (voice) |
| BBruce Edward HallMasterson the Rat / Beth Bear (voice) | Masterson the Rat / Beth Bear (voice) |
 James J. KroupaAdditional Muppet Performer (voice) | Additional Muppet Performer (voice) |
 David RudmanAdditional Muppet Performer (voice) | Additional Muppet Performer (voice) |
| MMelissa WhitmireAdditional Muppet Performer (voice) | Additional Muppet Performer (voice) |
| MMichael EarlAdditional Muppet Performer (voice) | Additional Muppet Performer (voice) |
