Jim Henson as Kermit the Frog / Rowlf / Dr. Teeth / Waldorf / Swedish Chef / Ernie / Granny / Horse & Carriage Rider / Link Hogthrob / The Newsman (voice)

Frank Oz as Miss Piggy / Fozzie / Animal / Bert / Cookie Monster / Ocean Breeze Soap Board Member / Sam the Eagle (voice)

Dave Goelz as Gonzo / Chester - Rat / Bill - Frog / Zoot / Beauregard / Dog / Dr. Bunsen Honeydew / Penguin (voice)

Steve Whitmire as Rizzo the Rat / Gill - Frog / Baby Kermit / Chicken / College Student in Audience / Dog / Lew Zealand (voice)

Richard Hunt as Scooter / Statler / Janice / Beaker / Dog (voice)

Jerry Nelson as Camilla / Lew Zealand / Floyd / Bear / Chicken / Crazy Harry / Dog / Dr. Julias Strangepork / Granny / Penguin / Pops / The Count (voice)

Juliana Donald as Jenny

Lonny Price as Ronnie

Louis Zorich as Pete

Art Carney as Bernard Crawford

James Coco as Mr. Skeffington

Dabney Coleman as Martin Price

Gregory Hines as Rollerskater

Linda Lavin as Kermit's Doctor

Joan Rivers as Perfume Saleswoman

Elliott Gould as Cop in Pete's

Liza Minnelli as Self

Brooke Shields as Customer in Pete's

Frances Bergen as Leonard Winesop's Receptionist

Ed Koch as Self (as The Honorable Edward I. Koch)

John Landis as Leonard Winesop

Vincent Sardi Jr. as Self

Kathryn Mullen as Jill the Frog (voice)

Karen Prell as Yolanda the Rat / Frank the Dog / Helpful Woman in Park (voice)

Brian Muehl as Tatooey the Rat / Bear / Dog (voice)

Bruce Edward Hall as Masterson the Rat / Beth Bear (voice)

James J. Kroupa as Additional Muppet Performer (voice)

David Rudman as Additional Muppet Performer (voice)

Melissa Whitmire as Additional Muppet Performer (voice)

Michael Earl as Additional Muppet Performer (voice)

Glenngo King as Additional Muppet Performer (voice)

Tim de Haas as Additional Muppet Performer (voice)

Cheryl Bartholow as Additional Muppet Performer (voice)

Martin P. Robinson as Additional Muppet Performer / College Student in Audience / Bear

Steve Burnett as College Student

Mary Lou Harris as College Student

Gates McFadden as Mr. Price's Secretary

Joanne Hamlin as Woman in Price's Office

Hector Troy as First Cop

Norman Bush as Second Cop

Nancy Kirsch as Screaming Woman

Alice Spivak as Costumer in Pete's

John Eric Bentley as Train Conductor

Dorothy Baxter as Elevator Passenger

Stephen Sherrard Hicks as Elevator Passenger

Susan Miller-Kovens as Elevator Passenger

Sinead Maguire as Elevator Passenger

Trisha Noel as Elevator Passenger

Ron Foster as Man in Winesop's Office

Michael Hirsch as Man in Winesop's Office

Vic Polizos as Construction Worker

Kenneth McGregor as Construction Worker

Chet Washington as Construction Worker

Graham Brown as Mr. Wrightson

James Bryson as Customer in Pete's

Chico Kasindir as Customer in Pete's

Viola Borden as Bingo Caller

Paul Stolarsky as Aquacade Announcer

Maree Dow as Woman in Bleachers

Don Quigley as Man in Bleachers

Michael Connolly as Maitre D' at Sardi's

Wade Barnes as Customer at Sardi's

Ruth Button as Customer at Sardi's

Lee-Ann Carr as Customer at Sardi's

Richard DuBois as Customer at Sardi's

Diana Hayes as Customer at Sardi's

Jane Hunt as Customer at Sardi's

Jacqueline Page as Customer at Sardi's

Harriet Rawlings as Customer at Sardi's

Milton Seaman as Customer at Sardi's

Gary Tacon as Thief in Central Park

Joe Jamrog as Cop in Central Park

Mark Marrone as Chauffeur

Cyril Jenkins as The Minister

Mary Kay Adams as Woman in Crawford's Office

Robert Armin as Additional Muppet Performer (voice)

Peter Baird as Additional Muppet Performer (voice)

Michael Bertolini as Additional Muppet Performer (voice)

Cheryl Blaylock as Additional Muppet Performer (voice)

Jeff Breslauer as Additional Muppet Performer (voice)

Fran Brill as Additional Muppet Performer / News Reporter (voice)

Edward G. Christie as Additional Muppet Performer (voice)

Ralph Cole Jr. as Roller Skater

Charles Francis Corbett as Additional Muppet Performer (voice)

Faz Fazakas as Additional Muppet Performer (voice)

Brian Henson as Additional Muppet Performer (voice)

Heather Henson as Additional Muppet Performer (voice)

Rollie Krewson as Additional Muppet Performer (voice)

David Lazer as Customer at Sardi's

Joel Leder as Additional Muppet Performer (voice)

Ronn Lucas as Additional Muppet Performer (voice)

Sonia Manzano as Customer at Sardi's

Antone Pagán as Customer in Diner

Todd Stockman as Additional Muppet Performer (voice)

Thomas E. van Dell as Theatre Patron

Gabriel Velez as Additional Muppet Performer (voice)

Caroly Wilcox as Additional Muppet Performer (voice)

Jim Martin as Additional Muppet Performer (voice)

Catherine Scorsese as Extra (uncredited)

Charles Scorsese as Extra (uncredited)

Jeffrey Breslauer as Additional Muppet Performer (uncredited)