Kermit and Fozzie are newspaper reporters sent to London to interview Lady Holiday, a wealthy fashion designer whose priceless diamond necklace is stolen. Kermit meets and falls in love with her secretary, Miss Piggy. The jewel thieves strike again, and this time frame Miss Piggy. It's up to Kermit and Muppets to bring the real culprits to justice.
as Kermit the Frog / Rowlf the Dog / Dr. Teeth / Waldorf / Swedish Chef / The Muppet Newsman
as Miss Piggy / Fozzie Bear / Sam the Eagle / Animal (voice)
as Gonzo / Beauregard / Zoot / Dr. Bunsen Honeydew / Lobbuck Lou
as Floyd Pepper / Pops / Lew Zealand / Crazy Harry / Louis Kazager
as Scooter / Statler / Sweetums / Janice / Beaker / Bubba
as Rizzo the Rat / Lips (voice)
as Nicky Holiday
as Lady Holiday
as Neville
as Mike Tarkenian
as British Gentleman by Pond
as Truck Driver
as Oscar the Grouch (voice)
as Charkie's Water Ballet Performer
as Dorcas
as Tramp
as Street Dancer
as Marla
as Carla
as Darla
as Henderson
as Stanley
as Guard
as Bus Conductor
as 2nd Model
as Muppet Performer