Jerry Nelson

Mad Monty / Boar / Lew Zealand / Shrimp / Whatnots (voice)

Kevin Clash

Bad Polly / Spa'am (voice)

Bill Barretta

Clueless Morgan (voice)

Camille Bonora

Female Pirate (voice)

Steve Whitmire

Kermit the Frog / Rizzo the Rat / Pig (voice)

Martin P. Robinson

Shark / Big Snort (voice)

Peter Linz

Additional Muppets (voice)

Joey Mazzarino

Additional Muppets (voice)

Carmen Osbahr

Additional Muppets (voice)

Dave Goelz

The Great Gonzo (voice) (archive footage)