Jane Krakowski

Claire's Mom

Richard Griffiths

Santa Claus

Steve Whitmire

Kermit the Frog / Rizzo the Rat / Statler / Beaker (voice)

Madison Pettis

Claire

Whoopi Goldberg

Taxi Driver

Dave Goelz

The Great Gonzo / Waldorf / Dr. Bunsen Honeydew / Zoot (voice)

Bill Barretta

Pepe the Prawn / Swedish Chef / Rowlf / Dr. Teeth / Bobo the Bear / Husband Pigeon (voice)

Michael Bloomberg

Himself (as Mayor Michael Bloomberg)

Eric Jacobson

Fozzie Bear / Miss Piggy / Animal / Sam the Eagle (voice)

Matt Vogel

Floyd Pepper / Lew Zealand / Crazy Harry / Robin the Frog / Son Pigeon / Additional Muppets (voice)

David Rudman

Scooter / Janice / Additional Muppets (voice)

Nathan Lane

Officer Meany

Jesse L. Martin

Postal Worker

Petra Němcová

Beaker's Girlfriend

Steve Schirripa

Mobster

Tony Sirico

Mobster

Uma Thurman

Joy

Paul Williams

Elf

Pam Arciero

Additional Muppets (voice)

Heather Asch

Additional Muppets (voice)

Tyler Bunch

Wife Pigeon / Additional Muppets (voice)

Leslie Carrara-Rudolph

Additional Muppets (voice)

Stephanie D'Abruzzo

Additional Muppets (voice)

James Godwin

Additional Muppets (voice)

James J. Kroupa

Additional Muppets (voice)

Tim Lagasse

Additional Muppets (voice)

Peter Linz

Additional Muppets (voice)

Noel MacNeal

Sweetums / Additional Muppets (voice)

Jim Martin

Additional Muppets (voice)

Paul McGinnis

Additional Muppets (voice)

Martin P. Robinson

Sweetums / Additional Muppets (voice)

Nadine Ellis

Dancer

Kevin Sateri

Dancer

Douglas Caldwell

Dancer

Mary Ann Lamb

Dancer

Terrance Reddick

Dancer

Warren Adams

Dancer

Paul Becker

Postal Dancer

Peter Conboy

Holiday Commuter

Paul T. Gosselin

Postal Customer

Bill Timoney

Additional Voices

Guy Veryzer

Mailman