 | 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 |
 | Eric Jacobson
Miss Piggy, Fozzie Bear, Sam Eagle, Animal |
 | Dave Goelz
Gonzo, Dr. Bunsen Honeydew, Zoot, Beauregard, Waldorf |
 | Bill Barretta
Pepe the King Prawn, Rowlf, Dr. Teeth, The Swedish Schef, Bobo the Bear, Big Mean Carl, Baby Boss, Carlo Flamingo, Leprechaun Security Guard |
 | David Rudman
Scooter, Janice, Miss Poogy, Bobby Benson, Wayne |
| Matt Vogel
Constantine, Floyd Pepper, Sweetums, Pops, Robin, Lew Zealand, Crazy Harry, 80s Robot, Camilla, Uncle Deadly |
| Peter Linz
Walter, Manolo Flamingo |
 | Tony Bennett
Himself |
 | Hugh Bonneville
Irish Journalist |
| William Brand
Berliner #2 |
 | Jemaine Clement
Prison King |
 | Kenneth Collard
Berliner #1 |
 | Sean Combs
Himself |
 | Rob Corddry
First AD |
 | Mackenzie Crook
Prado Museum Guard #1 |
 | Lady Gaga
Herself |
 | Zach Galifianakis
Hobo Joe |
 | Josh Groban
Maximum Security Prisoner |
 | Salma Hayek
Herself |
 | Tom Hiddleston
The Great Escapo |
 | Tom Hollander
Theater Manager |
 | Toby Jones
Prado Museum Guard #2 |
 | Frank Langella
Beefeater Vicar |
 | Ray Liotta
Big Papa |
 | James McAvoy
UPS Guy |
 | Chloë Grace Moretz
Newspaper Girl |
 | Usher Raymond
The Usher |
 | Miranda Richardson
Berliner at Window |
 | Saoirse Ronan
Herself |
 | Til Schweiger
German Cop |
 | Russell Tovey
Delivery Man |
 | Danny Trejo
Danny Trejo |
 | Stanley Tucci
Ivan the Guard |
 | Christoph Waltz
Himself |
| Mark Badham
Security Guard |
| Jill Buchanan
Irish Audience Member |
| John Duggan
Fan at Miss Piggy's Wedding |
 | Louise Gold
Annie Sue |
| Jaspal Badwell
Wedding Guest |
 | Russell Balogh
Interpol Officer |
| Paul Blackwell
Interpol Officer |
| Hannah Blamires
German Tourist |
| Dilyana Bouklieva
Wedding Fan |
| Pablo Bubar
Dublin-Madrid Spectator |
| Robert Clayton
Gulag Prison Guard |
 | Ian Conningham
Russian Gulag Prisoner |
| Pamela Betsy Cooper
German Lady in the Audience |
| Chris Cowlin
Police Officer |
| Lee Craven
Prisoner |
 | Sam Creed
German Stage Manager |
| Gioacchino Jim Cuffaro
Spanish Audience |
| Marco Flammer
Interpol Agent |
 | Dexter Fletcher |
 | Elisa Gabrielli
Actress |
| John W.G. Harley
Russian Gulag Prisoner |
| Lee Nicholas Harris
Fruit & Veg Stall Holder |
| Richard Herdman
Commuter |
| Luke Howard
Spanish Train Porter |
 | Jason Konopisos
Bouncer |
 | Shaun Lucas
Cameraman |
 | Martyn Mayger
Gulag Prisoner |
| Pete Meads
German Audience Member |
 | Bridgit Mendler
Minnie |
| Morris Minelli
The Guest at Miss Piggy's Wedding |
| Stuart Mulcaster
Spanish Commuter |
 | Harry Myers
Prisoner |
| Adam Nowell
Journalist |
 | Hugh O'Brien
German Theater Goer |
| Michael Oosterom
Additional Muppet Performer |
| Nick Owenford
Berlin Police |
| Ed Pearce
Wedding Guest |
 | Mike Quinn
Muppet Performer |
| Deborah Rosan
Chief |
 | Julian Seager
Russian Gulag Prisoner |
 | Peter Serafinowicz |
 | Karol Steele
Berliner |
 | Raymond Waring |
| Matt Weinglass
Film Crew |
| Anick Wiget
Irish Lady |
| Mak Wilson
Additional Muppet Performer |
| Yusei
Fan |
| Angie Inwards
German Museum Worker |
| Matthew David McCarthy
Irish Audience Member |
| Glenn Webster
Fan at Miss Piggy's Wedding |