Dave Goelz as The Great Gonzo / Dr. Bunsen Honeydew / Zoot / Waldorf / Beauregard / Chip / Himself (voice)

Bill Barretta as Pepe the King Prawn / Rowlf the Dog / The Swedish Chef / Dr. Teeth / Bobo the Bear / Mahna Mahna / Big Mean Carl / Himself (voice)

Eric Jacobson as Miss Piggy / Fozzie Bear / Animal / Sam Eagle / Newsman / Himself (voice)

Matt Vogel as Kermit the Frog / Uncle Deadly / Sgt. Floyd Pepper / Lew Zealand / Camilla / Dr. Julius Strangepork / Sweetums / Himself (voice)

David Rudman as Scooter / Janice / Beaker / Himself (voice)

Peter Linz as Walter / Robin / Statler / Link Hogthrob / Lips / Snowth / Himself (voice)

David Alan Barclay as Additional Muppet Performer (voice)

Julianne Buescher as Additional Muppet Performer (voice)

Tim Blaney as Additional Muppet Performer (voice)

Tyler Bunch as Additional Muppet Performer (voice)

Kevin Carlson as Additional Muppet Performer (voice)

Ryan Dillon as Additional Muppet Performer (voice)

Tim Lagasse as Additional Muppet Performer (voice)

Bruce Lanoil as Additional Muppet Performer (voice)

Noel MacNeal as Additional Muppet Performer (voice)

Drew Massey as Additional Muppet Performer (voice)

James Murray as Additional Muppet Performer (voice)

Paul McGinnis as Additional Muppet Performer (voice)

Michael Oosterom as Additional Muppet Performer (voice)

Carmen Osbahr as Additional Muppet Performer (voice)

Karen Prell as Additional Muppet Performer (voice)

Mike Quinn as Additional Muppet Performer (voice)

Michelan Sisti as Additional Muppet Performer (voice)

Allan Trautman as Additional Muppet Performer (voice)

John E. Kennedy as Additional Muppet Performer (voice)

Bobby Moynihan as Self

Kylie Minogue as Self

Kevin Bishop as Self

David Tennant as Self

Adam Hills as Self

Peter Davison as Self

Anthony Stewart Head as Self

Charles Dance as Self

Lee Latchford-Evans as Self

Claire Richards as Self

Lisa Scott-Lee as Self

Ian 'H' Watkins as Self

Faye Tozer as Self