Kermit the Frog / Rizzo the Rat / Beaker / Elvises (voice)
Steve Whitmire
The Great Gonzo / Dr. Bunsen Honeydew / Waldorf / Zoot (voice)
Dave Goelz
Kelly Ripa
Joe Rogan
Self
Molly Shannon
Triumph, the Insult Comic Dog (voice)
Robert Smigel
Dr. John "J.D." Dorian
Zach Braff
Dr. Elliot Reid
Sarah Chalke
Janitor
Neil Flynn
Dr. Perry Cox
John C. McGinley
Nurse Carla Espinosa
Judy Reyes
Bill Lawrence
Pepe the King Prawn / Bobo the Bear / Johnny Fiama / Swedish Chef / Lew Zealand / Howard Tubman / Rowlf the Dog / Elvises (voice)
Bill Barretta
Joe Snow (voice)
Mel Brooks
Sally Ann Santa Claus
Dave 'Squatch' Ward
Scooter / Janice / Sal Minella (voice)
Brian Henson
Sam Eagle (voice)
Kevin Clash
Sweetums (voice)
John Henson
Robin the Frog / Statler / Announcer / Pops / Floyd Pepper
Jerry Nelson
Eugene the Tuba Player (voice)
Allan Trautman
Alice Dinnean
Geoff Redknap
Denise Cheshire
Miss Piggy / Fozzie Bear / Animal / Yoda / Elvises (voice)
Eric Jacobson
Muppet Performer
Drew Massey
Adam Behr
Gord Robertson
Snoop Dogg
Dr. Teeth (voice)
John E. Kennedy
Fear Factor Contestant
Dawn Lewis
Security Guard
Colin Foo
Fear Factor Contestant (uncredited)
Marci Dacus
Angel 1
Yee Jee Tso
Angel 2
Dan Joffre
Daniel
David Arquette
Fat Angel
Jonathan Bruce
Safari Animal Tracker
Cameron McDonald
Thin Angel
Darrell Lee-Izeard
Nancy Nut-What
Chantal Strand
Nicki Nut-What
Robin Mossley
Handsome Executive
Dan Payne
Sally Ann Representative
Julia Arkos
Rachel Bitterman
Joan Cusack
Luc Fromage
Matthew Lillard
Glenn
William H. Macy
Daniel's 'Boss'
Whoopi Goldberg
Carson Daly
Stunt Coordinator
Marny Eng
Casting
Mike Fenton
Co-Producer
Original Music Composer
Mark Watters
Choreographer
James Hibbard
Director
Kirk R. Thatcher
Executive Producer
Writer
Jim Lewis
Script Supervisor
Lana Krotenko
Kelly Moon
Second Unit Director of Photography
Randal Platt
Tom Martin
Dolly Grip
Peter Grotek
Martin Udo Haas
Music Editor
Dino A. Moriana
Online Editor
Frank Mazzaro
Orchestrator
Stephen James Taylor
Sound Mixer
Larry Stensvold
Special Effects Makeup Artist
Charles Porlier
Nan Schwartz
Stephen Fitzmaurice
First Assistant "A" Camera
Trevor Butt
Sound Assistant
Sara Kohlman
Hairstylist
Debra Wiebe
Script Coordinator
Sophie Brodovitch
Chris Klatman
First Assistant "B" Camera
Brian Rose
Boom Operator
Charles O'Shea
Second Assistant Director
Tracey Poirier
Property Master
Grant Swain
Construction Coordinator
Dave Conway
First Assistant Director
Patrice Leung
Camera Operator
Armin Matter
Gaffer
Simon Hunt
Assistant Property Master
Brian Epp
Assistant Set Decoration
Beth Nelson
Best Boy Electric
Niall Fraser
Special Effects Coordinator
Robert Yeager
Assistant Production Coordinator
Adrienne Sol
J. Eric Schmidt
Lynne Carrow
Ira Hearshen
ADR Supervisor
Richard C. Franklin
Allison Cowitt
Key Grip
Harvey Fedor
Bill Newlin
Transportation Coordinator
Ron James
Music Coordinator
Audrey DeRoche
Key Makeup Artist
Sandy Cooper
Production Coordinator
Laura Livingstone
Location Manager
Robert Murdoch
Andrew Kinney
Sound Supervisor
Richard Taylor
Greensman
Frank Haddad
Assistant Location Manager
Teresa Gough
Colorist
Sati Tooray
Don Nemitz
Production Manager
Warren Carr
Assistant Art Director
Roxanne Methot
Sound Recordist
Darren Brisker
Best Boy Grip
Charlie Schultz
Craft Service
Lorne Kostyshin
Set Decoration
Linda Vipond
Producer
Martin G. Baker
Production Design
Michael S. Bolton
Ruth Caruso
Director of Photography
Tony Westman
Art Direction
James Steuart
Costume Design
Polly Smith
Juliet Blake
Editor
Gregg Featherman
Sandra J. Blackie