Steve Whitmire
Kermit the Frog / Rizzo the Rat / Beaker / Elvises (voice)
Acting
Dave Goelz
The Great Gonzo / Dr. Bunsen Honeydew / Waldorf / Zoot (voice)
Acting
Bill Barretta
Pepe the King Prawn / Bobo the Bear / Johnny Fiama / Swedish Chef / Lew Zealand / Howard Tubman / Rowlf the Dog / Elvises (voice)
Acting
Eric Jacobson
Miss Piggy / Fozzie Bear / Animal / Yoda / Elvises (voice)
Acting
David Arquette
Daniel
Acting
Joan Cusack
Rachel Bitterman
Acting
Matthew Lillard
Luc Fromage
Acting
William H. Macy
Glenn
Acting
Whoopi Goldberg
Daniel's 'Boss'
Acting
Carson Daly
Self
Acting
Kelly Ripa
Self
Acting
Joe Rogan
Self
Acting
Molly Shannon
Self
Acting
Robert Smigel
Triumph, the Insult Comic Dog (voice)
Acting
Zach Braff
Dr. John "J.D." Dorian
Acting
Sarah Chalke
Dr. Elliot Reid
Acting
Neil Flynn
Janitor
Acting
John C. McGinley
Dr. Perry Cox
Acting
Judy Reyes
Nurse Carla Espinosa
Acting
Bill Lawrence
Self
Writing
Mel Brooks
Joe Snow (voice)
Acting
Dave 'Squatch' Ward
Sally Ann Santa Claus
Acting
Brian Henson
Scooter / Janice / Sal Minella (voice)
Acting
Kevin Clash
Sam Eagle (voice)
Acting
John Henson
Sweetums (voice)
Acting
Jerry Nelson
Robin the Frog / Statler / Announcer / Pops / Floyd Pepper
Acting
John E. Kennedy
Dr. Teeth (voice)
Acting
Allan Trautman
Eugene the Tuba Player (voice)
Acting
Alice Dinnean
Additional Muppet Performer (voice)
Acting
Geoff Redknap
Additional Muppet Performer (voice)/ Sweetums
Costume & Make-Up
Denise Cheshire
Additional Muppet Performer (voice)
Acting
Drew Massey
Additional Muppet Performer (voice)
Acting
Adam Behr
Additional Muppet Performer (voice)
Acting
Gord Robertson
Additional Muppet Performer (voice)
Acting
Dawn Lewis
Fear Factor Contestant
Acting
Colin Foo
Security Guard
Acting
Marci Dacus
Fear Factor Contestant (uncredited)
Acting
Yee Jee Tso
Angel 1
Acting
Dan Joffre
Angel 2
Acting
Jonathan Bruce
Fat Angel
Acting
Cameron McDonald
Safari Animal Tracker
Acting
Darrell Lee-Izeard
Thin Angel
Acting
Chantal Strand
Nancy Nut-What
Acting
Robin Mossley
Nicki Nut-What
Acting
Dan Payne
Handsome Executive
Acting
Julia Arkos
Sally Ann Representative
Acting