•Bob McGrath | played | Bob |
•Loretta Long | played | Susan |
•Emilio Delgado | played | Luis (1971-present) |
•Sonia Manzano | played | Maria (1971-present) |
•Roscoe Orman | played | Gordon (1974-present) |
•Alison Bartlett | played | Gina (1987-present) |
•Desiree Casado | played | Gabi (1993-present) |
•Alan E. Muraoka | played | Alan (1998-present) |
•Olamide Faison | played | Miles (2003-present) |
•Christopher Knowings | played | Chris (2007-present) |
•Alaina Reed Hall | played | Olivia (1976-1989) |
•Andrea Martin | voiced | Additional Voices (Elmo's World) (1998-) |
•Bob West | voiced | Various |
•Brian Muehl | voiced | Others (1970-1984), Elmo (1979-1981), Grungetta (1982-1984) + Pearl (1983-1984) |
•Caroll Spinney | voiced | Big Bird |
•Dave Goelz | voiced | Elephant (1992-1993) |
•Frank Oz | voiced | Others + Grover (1969-2000), Cookie Monster (1969-1999), Bert (1969-1996, 1998-2000) + Mama Twiddlebug (1971-1984) |
•Jim Henson | voiced | Kermit the Frog + Others (1969-1990), Guy Smiley (1970-1990), Papa Twiddlebug (1972-1984),Ernie , Sinister Sam (1975) (1975-1990) |
•Kevin Clash | voiced | Elmo (1985+) |
•Leslie Carrara | voiced | Abby Cadabby (2006-present) |
•Linda Bove | played | Linda (1971-2003) |
•Louise Gold | voiced | Others (1990-1992) + Scottie Dog (1992) |
•Michael Jeter | played | Mr. Noodle's Brother, Mr. Noodle (2000-2003) |
•Noel Macneal | voiced | Additional Muppets (1991-) |
•Pam Arciero | voiced | Others (1975-2003) + Grungetta (1984-1999, 2003) |
•Richard Hunt | voiced | Others + Gladys the Cow (1970-1992), Sister Twiddlebug (1971-1984), Sully (1973-2002), Don Music , Two Headed Monster (1973-1990) |
•William Lee (1) | played | Mr. Hooper (1969-1982) |