 | Caroll Spinney als Big Bird / Oscar the Grouch (voice) |
 | Jim Henson als Ernie (voice) |
 | Frank Oz als Bert / Grover / Cookie Monster (voice) |
 | Richard Hunt als Two-Headed Monster (voice) |
 | Jerry Nelson als Two-Headed Monster (voice) |
 | Martin P. Robinson als Telly Monster (voice) |
 | Brian Meehl als Barkley / Telly (voice) (as Brian Muehl) |
| Lianzi Ouyang als Xiao Foo (as Lien-Tze Quyang) |
 | Cheryl Blaylock als Additional Muppet Performer (voice) (as Cheryl Blalock) |
| Edward G. Christie als Additional Muppet Performer (voice) (as Ed Christie) |
| Martin P. Robinson als Telly (DVD Version) / Additional Muppet Performer (voice) |
| Jon Stone | Director |
| David Liu | Producer |
| Joseph A. Bailey | Writer |
| Jon Stone | Writer |
| Kuo Bao-Xiang | Producer |
| Xu Ja-Cha | Producer |
| Caroll Spinney | Story |
| Jon Stone | Executive Producer |
| Tish Sommers | Associate Producer |
| Dick Lieb | Original Music Composer |
| Victor DiNapoli | Art Direction |
| Ken Gutstein | Editor |