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)
John E. Kennedy
Additional Muppets (voice)