Ricky Gervais
Dominic Badguy
Ty Burrell
Jean Pierre Napoleon
Tina Fey
Nadya
Steve Whitmire
Kermit the Frog / Foo-Foo / Statler / Beaker / Lips / Rizzo the Rat / Link Hogthrob / The Newsman (voice)
Eric Jacobson
Miss Piggy / Fozzie Bear / Animal / Sam Eagle (voice)
Dave Goelz
The Great Gonzo, Dr. Bunsen Honeydew, Zoot, Beauregard, Waldorf
Bill Barretta
Pepe the King Prawn / Rowlf the Dog / Dr. Teeth / The Swedish Chef / Bobo the Bear / Big Mean Carl / Baby Boss / Carlo Flamingo / Leprechaun Security Guard (voice)
David Rudman
Scooter / Janice / Miss Poogy / Bobby Benson / Wayne (voice)
Matt Vogel
Constantine / Floyd Pepper / Sweetums / Pops / Robin / Lew Zealand / Crazy Harry / 80's Robot / Camilla / Uncle Deadly (voice)
Peter Linz
Walter / Manolo Flamingo (voice)
Tony Bennett
Tony Bennett
Hugh Bonneville
Irish Journalist
Tom Hiddleston
The Great Escapo
Ross Lynch
Young Florist
Salma Hayek Pinault
Salma Hayek
Ray Liotta
Big Papa
Danny Trejo
Danny Trejo
Stanley Tucci
Ivan the Guard
Jemaine Clement
Prison King
Zach Galifianakis
Hobo Joe
Tom Hollander
Theater Manager
Toby Jones
Prado Museum Guard #2
Frank Langella
Beefeater Vicar
James McAvoy
UPS Guy
Chloë Grace Moretz
Newspaper Girl
Miranda Richardson
Berliner at Window
Saoirse Ronan
Ballet Dancer
Til Schweiger
German Cop
Russell Tovey
Delivery Man
Christoph Waltz
Christoph Waltz
Mackenzie Crook
Prado Museum Guard #1
Sean Combs
Sean Combs
Rob Corddry
First AD
Lady Gaga
Self
Josh Groban
Maximum Security Prisoner
Aleksandar Mikic
Other Guard
Kenneth Collard
Berliner #1
William Brand
Berliner #2
Dylan Postl
Prisoner One
Usher
The Usher
Louise Gold
Annie Sue / UK Muppet Performer (voice)
Mak Wilson
UK Muppet Performer (voice)
Brian Michael Jones
LA Muppet Performer (voice)
Céline Dion
Piggy Fairy Godmother
Lee Nicholas Harris
Fruit & Vegetable Stall Holder
James Murray
LA Muppet Performer (voice)
Mike Quinn
LA Muppet Performer (voice)
Dave Chapman
UK Additional Muppet Performer (voice)
Dexter Fletcher
(uncredited)
Peter Serafinowicz
Gulag Guard (uncredited)
Jim Henson
Kermit The Frog (archival recordings) (uncredited)
Jerry Nelson
Announcer (voice) (uncredited)
John Scott
Prison Guard (Uncredited)
Andrew Lyon
Crowd Member at 23:15 (Uncredited)
Faith Elizabeth
German Audience Member (uncredited)
Sam Creed
German Stage Manager (uncredited)
Debby Ryan
Wedding Guest (uncredited)
Bridgit Mendler
Wedding Guest (uncredited)
Tyrel Jackson Williams
Wedding Guest (uncredited)
Jake Short
Wedding Guest (uncredited)
Jon Wennington
Police Officer (uncredited)
Cynthia Garbutt
Madrid Spectator (uncredited)
