Jim Henson

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

Frank Oz

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

Dave Goelz

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

Steve Whitmire

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

Richard Hunt

Scooter / Statler / Janice / Beaker / Dog (voice)

Jerry Nelson

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

Juliana Donald

Jenny

Lonny Price

Ronnie

Louis Zorich

Pete

Art Carney

Bernard Crawford

James Coco

Mr. Skeffington

Dabney Coleman

Martin Price

Gregory Hines

Rollerskater

Linda Lavin

Kermit's Doctor

Joan Rivers

Perfume Saleswoman

Elliott Gould

Cop in Pete's

Liza Minnelli

Self

Brooke Shields

Customer in Pete's

Frances Bergen

Leonard Winesop's Receptionist

Ed Koch

Self (as The Honorable Edward I. Koch)