Muppet Sing Alongs: It's Not Easy Being Green

David Gumpel

Yönetmen

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)