Nella Siilasmaa / Aada 9-vuotiaana
Antti Tuisku / Mikko
Alpo Sipilä / Mikko 9-vuotiaana
Matti Ristinen / Einari
Eeva Soivio / Aleksandra
Mauri Heikkilä / Gideon
Pirjo Leppänen / Hilla
Saara Pakkasvirta / Meeri
Ville Virtanen / Henrik
Matti Rasilainen / Hermanni
Nora Syrjä / Elsa
Mikko Rokka / Heino
Lisa Sjöholm / Laura
Michael Badalucco / Emil (voice)
Jennifer Barnhart / Aleksandra /  Meeri (voice)
Katherine Borowitz / Aada /  Hilda (voice)
Ron Crawford / Gideon (voice)
Noah Emmerich / Nikolas (voice)
John Turturro / Iisakki (voice)

Joey Mazzarino / Papa Bear /  Stan the Snowball (voice)
Jerry Nelson / Count von Count (voice)
Carmen Osbahr / Rosita (voice)
Brad Paisley / Self
Ty Pennington / Self
Martin P. Robinson / Mr. Snuffleupagus /  Telly Monster (voice)
David Rudman / Baby Bear /  Cookie Monster (voice)
Steve Schirripa / Self (voice)
Tony Sirico / Self (voice)
Caroll Spinney / Big Bird /  Oscar the Grouch (voice)
Ben Stiller / Stiller the Elf (voice)
Matt Vogel / Stiller the Elf
Steve Whitmire / Ernie (voice)
Bryant Young / Mr. Snuffleupagus (back half)
Pam Arciero / Grundgetta (voice)
Jennifer Barnhart / Mama Bear (voice)
Fran Brill / Prairie Dawn /  Zoe (voice)
Tyler Bunch / Additional Muppet Performer (voice)
Stephanie D'Abruzzo / Additional Muppet Performer (voice)
Ryan Dillon / Additional Muppet Performer (voice)
Artie Esposito / Additional Muppet Performer (voice)
James Godwin / Additional Muppet Performer (voice)
BJ Guyer / Additional Muppet Performer (voice)
Andy Hayward / Additional Muppet Performer (voice)
Patrick Holmes / Additional Muppet Performer (voice)
John Kennedy / Additional Muppet Performer (voice)
Peter Linz / Additional Muppet Performer (voice)
Michael Lisa / Additional Muppet Performer (voice)
Noel MacNeal / Additional Muppet Performer (voice)
Amanda Maddock / Additional Muppet Performer (voice)
Ed May / Additional Muppet Performer (voice)
Paul McGinnis / Additional Muppet Performer (voice)
Tracie Mick-Shoemaker / Additional Muppet Performer (voice)
Marc Petrosino / Additional Muppet Performer (voice)
Andy Stone / Additional Muppet Performer (voice)
Ian Sweetman / Additional Muppet Performer (voice)
Gabriel Velez / Additional Muppet Performer (voice)

Ryan Dillon / Elmo (voice)
Haley Jenkins / Lavender Anything Muppet Woman (voice)
Eric Jacobson / Bert /  Grover /  Two-Headed Monster (voice)
Jennifer Auberjonois / Additional Muppet Performer
Jamie Donmoyer / Teri Garr
Elizabeth Duff / Additional Muppet Performer
Megan Godin / Additional Muppet Performer
Liz Hara / Additional Muppet Performer
Chris Thomas Hayes / Additional Muppet Performer
Kathleen Kim / Additional Muppet Performer
Tim Lagasse / Additional Muppet Performer
Spencer Lott / Additional Muppet Performer
Lara MacLean / Additional Muppet Performer
Samantha McDanel / Additional Muppet Performer (voice)
Andrew Moriarty / Additional Muppet Performer
Carmen Osbahr / Rosita (voice)
Martin P. Robinson / Hot Pink Muppet Elf (voice)
David Rudman / Cookie Monster /  Two-Headed Monster (voice)
Kolette Tetlow / 19th Century Downtrodden Child
Julius Thomas III / 19th Century /  Present Day SE
Matt Vogel / Count von Count /  Constable (voice)
Mike Ancas / Additional Muppet Performer