Gonzo / Dr. Bunsen Honeydew / Waldorf / The Birdman (voice)
Dave Goelz
Kermit the Frog / Rizzo the Rat / Beaker / Cosmic Fish #1 / Rainbow / Miss Piggy (assistant) (voice)
Steve Whitmire
Agent Barker
Josh Charles
Gate Guard
Ray Liotta
Dr. Tucker
David Arquette
Shelley Snipes
Andie MacDowell
Female Armed Guard
Kathy Griffin
General Luft
Pat Hingle
Man in Black
Hulk Hogan
TV Stage Manager
Veronica Alicino
Mikey the Cameraman
David Lenthall
Richard Fullerton
Pepe the Prawn / Bobo as Rentro / Johnny Fiama / Bubba the Rat / Cosmic Fish #2 (voice)
Bill Barretta
Mark Joy
TV Associate Producer
Carl Espy
Child
Deron Barnett
Little Girl
Chrissy Mullins
Mashed Potato Lady
Elaine Nalee
Additional Muppet Performer / Animal (assistant) / Beach Hippie
Rickey Boyd
Additional Muppet Performer
Alice Dinnean
Additional Muppet Performer / Sweetums
John Henson
Additional Muppet Performer / Scooter (voice)
Adam Hunt
Additional Muppet Performer / Miss Piggy (assistant) / Beach Hippie
Peter Linz
Robin / Statler / Ubergonzo (voice)
Jerry Nelson
Additional Muppet Performer / Beach Hippie
Drew Massey
Ed May
Andrew Stone
Kim Allen
Evy Berman
John Boone
Dennis W. Britt
Tyler Bunch
Lisa Consolo
Rowell Gormon
Dr. Phil Van Neuter / Sal Minella (voice)
Brian Henson
BJ Guyer
Greg Jarnigan
Rob Killen
James J. Kroupa
Bruce Lanoil
Bob Lynch
Pamela O'Conner
Tim Parati
Thom Stanley
Lisa Sturz
Clifford (voice)
Kevin Clash
Mark Sutton
Allan Trautman
Jay Tyson
Gregg Wallace
Joey Potter (uncredited)
Katie Holmes
Beach Scene (uncredited)
Joshua Jackson
UFO Mania Announcer (voice) (uncredited)
Gary Owens
Additional Muppet Performer (uncredited)
Jack Angel
Rodger Bumpass
M.I.B. Guard (uncredited)
Joe Cobb Jr.
Miss Piggy / Fozzie Bear / Animal / Sam the Eagle (voice)
Frank Oz
Bill Farmer
Security Guard (uncredited)
Langley McArol
Mickie McGowan
Phil Proctor
Fozzie Bear / Sam the Eagle / Beach Hippie
John E. Kennedy
K. Edgar Singer
Jeffrey Tambor
Noah
F. Murray Abraham
TV Producer
Rob Schneider
Screenplay
Joey Mazzarino
Jerry Juhl
Casting
Mike Fenton
Director
Tim Hill
Additional Music
Rupert Gregson-Williams
Producer
Editor
Richard Pearson
Director of Photography
Alan Caso
Executive Producer
Martin G. Baker
Original Music Composer
Jamshied Sharifi
Michael A. Stevenson
Set Designer
Alan Hook
Ken Kaufman
Assistant Makeup Artist
Linda Kamp
Set Decoration
Marthe Pineau
Allison Cowitt
Costume Design
Polly Smith
Art Direction
William G. Davis
Production Design
Stephen Marsh
Hair Supervisor
Betty Lou Skinner
Supervising Art Director
Alan Cassie
Makeup Supervisor
Cecilia Verardi