- Frank Oz (Bert)
- Sonia Manzano (Maria Figueroa Rodriguez)
- Roscoe Orman (Gordon Robinson)
- Martin P. Robinson (Telly Monster / Aloysius Snuffleupagus / Irvine / Slimey (voice))
- Suki Lopez (Nina)
- Violet Tinnirello (Charlie)
- Jennifer Barnhart (Zoe (voice))
- Ryan Dillon (Elmo (voice))
- Alan Muraoka (Alan)
Sesame Street — S11E49
Episode: R2-D2 and C-3PO Visit Sesame Street (1364)
Air Date: 1980-01-31
Overview
C-3PO and R2-D2 visit Sesame Street . Sponsored by J, Z, 4.