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Carmela; Otto the Director; Pandora the Little Girl; Millie the Helper
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Narrator of 'The Adventures of Letterman' (1972-77)
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Sylvia; Valerie the Librarian (1973-1977)
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Blond-Haired Cartoon Man
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Hank; the Milkman; Ken Kane; the Ice Cream Man (1971-1972)
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Allison; member of the Short Circus (1972-1973)
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Roberto; Dr. Doolats; Igor; Pedro (1972-1977)
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Voices (1973-1977)
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Brenda; Vi; Madame Rosalie; Gladys the Glow-Worm (1971-1973)
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Jesse; member of the Short Circus (1975-1977)
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Voice of Letterman (1972-1977)
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J.J.; Fargo North, Decoder; Frankenstein; Supper Man; Clam; Boy, in Love of...
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Announcer (1971-1973)
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Michelle; member of the Short Circus (1971-1972)
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Mark, Easy Reader, Mel Mounds - the DJ, Count Dracula, Mad Scientist, The Cop
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Kelly; member of the Short Circus (1973-1975)
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Zach; member of the Short Circus (1971-1973)
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Andy; J. Arthur Crank; Paul the Gorilla; the Blue Beetle; the Wolfman; voic...
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Spellbinder, Letterman's nemesis
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Winnie; Jennifer of the Jungle; Julia Grownup; the Witch
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Spiderman (1974-1977)
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Julie; member of the Short Circus
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Dwayne; member of the Short Circus (1973-1975)
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Kathy; member of the Short Circus (1971-1975)
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Buddy; member of the Short Circus (1971-1975)
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Charlie; member of the Short Circus (1975-1977)