Sesame Street's 25th Birthday: A Musical Celebration

Caroll Spinney

Big Bird / Oscar the Grouch (voice)

Frank Oz

Bert / Grover / Cookie Monster (voice)

Martin P. Robinson

Telly Monster (voice)

Fran Brill

Prarie Dawn (voice)

Jerry Nelson

The Count / The Amazing Mumford / Herry Monster / Biff (voice)

Kevin Clash

Elmo / Baby Natasha / Hoots the Owl (voice)

David Rudman

Chicago Lion / Humphrey / Davey Monkey (voice)

Joey Mazzarino

Joey Monkey (voice)

James J. Kroupa

Bird in La La Line (voice)

Pam Arciero

Muppet Performer (voice)

Noel MacNeal

Muppet Performer (voice)

Bryant Young

Muppet Performer (voice)

Richard Hunt

Gladys the Cow (voice) (archive footage)

Jim Henson

Ernie / Kermit the Frog / Guy Smiley (archive footage) (voice)