Name	Known for
Pam Arciero Monster / Letter S Monster / Letter S See fewer	Sesame Street (1969)
Camille Bonora Annette / Greaser / Tessie Twiddlebug Annette / Greaser / Tessie Twiddlebug See fewer	Sesame Street (1969)
Fran Brill Mary Mary See fewer	Sesame Street (1969)
Rick Cimino The Ringmaster (voice) The Ringmaster (voice) See fewer	The Streets of San Francisco (1972)
Kevin Clash Monster / Martian / Announcer / Letter C Monster / Martian / Announcer / Letter C See fewer	Sesame Street (1969)
Richard Hunt Greaser / Tina Twiddlebug / Letter E / Placido Flamingo Greaser / Tina Twiddlebug / Letter E / Placido Flamingo See fewer	The Muppet Show (1976)
Sonia Manzano Maria Maria See fewer	Sesame Street (1969)
Jim Martin Monster / Cow Monster / Cow See fewer	Sesame Street (1969)
Thad Mumford Dr. Thad Dr. Thad See fewer	MAS*H (1972)
Jerry Nelson Mr. Quincy / Frankie / Greaser / Timmy Twiddlebug / Herry Monster / Phil Harmonic Mr. Quincy / Frankie / Greaser / Timmy Twiddlebug / Herry Monster / Phil Harmonic See fewer	Fraggle Rock (1983)
Frank Oz Bert Bert See fewer	The Muppet Show (1976)
Martin P. Robinson Monster / Martian Monster / Martian See fewer	Sesame Street (1969)
David Rudman Fish Dude / Greaser Fish Dude / Greaser See fewer	The Muppets (2011)
David Langston Smyrl Mr. Handford Mr. Handford See fewer	ER (1994)
Caroll Spinney Big Bird / Oscar the Grouch Big Bird / Oscar the Grouch See fewer	Sesame Street (1969)
John Williams III Self Self See fewer	Love Under New Management: The Miki Howard Story (2016)
Joe Williams Self Self See fewer	Iron Man 3 (2013)