- 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 — S46E2
Episode: Mucko Polo, Grouch Explorer
Air Date: 2016-01-16
Overview
With Mucko Polo (Alan Cumming), Elmo, Abby, and Oscar use their five senses to explore and search for the grouchiest things on Sesame Street. Also featuring Grover finds a pyramid and Elmo the Musical-Guacamole. Brought to you by the letter E and the number 6.