Générique complet
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)
David Rudman
Frog / Farmer Lear (voice) (archive footage)
