Muppet Sing Alongs: It's Not Easy Being Green

Bill Barretta

Swedish Chef (voice) (archive footage)

Camille Bonora

Additional Muppets (voice)

Fran Brill

Clam / Frog (voice) (archive footage)

Lisa Buckley

Additional Muppets (voice)

Julianne Buescher

Winkie Bunny / Additional Muppets (voice)

Kevin Clash

Clifford / Billy Bunny / P.J. / Leon (voice)

Dave Goelz

Gonzo / Wendell / Otto the Octopus / Boober Fraggle (voice)

Richard Hunt

Charlie / Scooter / Fish (voice) (archive footage)

John E. Kennedy

Additional Muppets (voice)

Bruce Lanoil

Additional Muppets (voice)

Peter Linz

Additional Muppets (voice)

Rob Mills

Additional Muppets (voice) (archive footage)

Kathryn Mullen

Mokey Fraggle / Frog (voice) (archive footage)

Jerry Nelson

Robin the Frog / Emmet Otter / Gobo Fraggle / Bust of Beethoven / Frog (voice) (archive footage)