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)